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NCP43080DMTTWG - Secondary-Side SR Controller | onsemi
The onsemi NCP43080DMTTWG is a secondary-side synchronous-rectifier controller for switched-mode power supplies, with an 8-WDFN 2 x 2 mm package. It is designed for flyback, quasi-resonant flyback, and LLC power-converter topologies. The controller coordinates an external synchronous-rectification MOSFET so that rectification losses can be reduced compared with a conventional diode rectifier. Its key documented functions include externally adjustable minimum off-time and on-time blanking periods, flexible support for different MOSFET packages and PCB layouts, and operation intended to provide reliable, low-noise synchronous-rectifier control. A synchronous-rectifier controller is a power-management IC used in the secondary circuit of an isolated or non-isolated offline power supply. Instead of allowing a diode to conduct during the secondary rectification interval, the controller drives an external MOSFET to act as a low-loss rectifier. The controller belongs to the broader sequence of switch-mode power-supply components: transformer or inductor energy transfer, primary switching, secondary rectification, output filtering, and regulated feedback. The NCP43080 family targets applications where efficiency and secondary-side behavior are important. Its blanking controls help prevent unwanted MOSFET turn-on or turn-off during switching transitions. These protections are especially relevant when leakage currents, ringing, transformer reset behavior, or differing MOSFET switching speeds could otherwise cause false gate-drive pulses. The exact electrical ratings, timing limits, pin names, and recommended external components require confirmation from the manufacturer datasheet and the selected transformer and MOSFET design. Typical implementation targets include isolated flyback chargers, quasi-resonant flyback adapters, power supplies for consumer electronics, and LLC converter secondary stages. The controller is especially relevant where a Schottky diode would otherwise dissipate significant power at high output current. The external MOSFET selection must be coordinated with output voltage, current, switching frequency, transformer reset behavior, gate-drive requirements, and thermal conditions. The principal design consideration is timing coordination between the primary switch and the secondary synchronous MOSFET. Minimum off-time, minimum on-time, propagation behavior, dead time, and layout parasitics determine whether the replacement can improve efficiency without introducing cross-conduction or shoot-through. The package must be placed according to the datasheet layout guidance, with attention to high-current source and return paths, gate-loop inductance, and thermal dissipation. This product page combines the verified onsemi product identity, distributor package information, the official NCP43080 datasheet link, and practical design guidance. Unavailable ratings and package details are intentionally marked for verification rather than inferred from generic controller families.
NCP4308DDR2G - 35V Synchronous Rectifier Controller | onsemi
The onsemi NCP4308DDR2G is a synchronous rectifier controller for switch-mode power supplies, with a 4 V to 35 V operating range, a 1 MHz switching frequency, and an SOIC-8 package. It supports secondary-side synchronous rectification in flyback, quasi-resonant flyback, and LLC power-conversion systems. Its 8 A current capability and adjustable blanking functions help accommodate different synchronous-rectifier MOSFET package types and circuit layouts. A synchronous rectifier controller is a power-management semiconductor that drives an external MOSFET on the secondary side of an isolated or non-isolated switching converter. By replacing diode conduction with low-loss MOSFET switching, it can reduce power loss during output-current transfer. The NCP4308 family belongs to the secondary-side controller, power-management IC, and switch-mode power-supply hierarchy. Key features include externally adjustable minimum off-time and on-time blanking periods, operation across discontinuous-conduction, continuous-conduction, and quasi-resonant flyback modes, and a 1 MHz switching-frequency capability. The controller is designed to provide reliable and low-noise operation of the synchronous-rectifier system while allowing the power stage to be tailored to the transformer, MOSFET, and PCB layout. The NCP4308 architecture coordinates gate timing with the secondary-side waveform. The adjustable timing features help prevent premature MOSFET turn-on or turn-off during ringing and transition intervals. Designers must still validate the timing window against the actual transformer reset behavior, MOSFET gate charge, leakage current, and operating frequency rather than treating the timing values as universal constants. Typical uses include AC-DC adapters, offline power supplies, flyback converters, quasi-resonant flyback converters, LLC converters, USB power supplies, and industrial power modules. In each case, the controller is paired with external synchronous-rectifier MOSFETs rather than acting as the primary-side converter controller. A key design consideration is maintaining adequate separation between the controller and high-current secondary-side switching nodes. Use the manufacturer’s recommended layout, minimize gate-loop area, place timing components close to their pins, and verify dead time, ringing, and cross-conduction behavior with an oscilloscope across the full input and load range.
NCP45520IMNTWG-H - 10.5A ecoSWITCH Load Switch, 8-DFN | onsemi
The onsemi NCP45520IMNTWG-H is a fully integrated N-channel MOSFET load switch rated for 10.5 A continuous load current, housed in a compact 8-pin DFN EP (2x2 mm) package. It provides a component- and area-reducing solution for efficient power-domain switching with built-in inrush-current limiting through a soft-start mechanism, an ultra-low on-resistance of 12.8 mOhm typical, and active-high enable control for simple GPIO interface. The device is part of onsemi's ecoSWITCH family and includes comprehensive fault protection that reduces the need for external discrete MOSFETs, sense resistors, and supervisory ICs. An integrated load switch (also called a power distribution switch or hot-swap FET) is a power-management IC that combines an N-channel power MOSFET, gate driver, fault-protection logic, and diagnostic outputs in a single package. Load switches sit hierarchically below DC-DC converters in the power-tree and are used to turn subsystems on/off, isolate rails during fault conditions, and limit inrush current at plug-in events. They are widely adopted in portable, industrial, and computing platforms where PCB area, BOM count, and predictable power-up behavior are priorities. Key features of the NCP45520IMNTWG-H include a continuous load current of 10.5 A, an on-resistance of 12.8 mOhm typical, an input voltage range of 0.5 V to 13.5 V on Vout/VIN, configurable inrush control via an external soft-start capacitor, an active-high enable input, and an active-high open-drain Power Good (PG) output that requires an external pull-up resistor of at least 1 kOhm. Protection features include thermal protection, short-circuit protection, and under-voltage lockout (UVLO). The architecture integrates a charge-pump-driven N-channel MOSFET with on-die fault logic and a soft-start pinout for programmable slew rate. The result is a clean, monotonic turn-on waveform that minimizes input rail droop and downstream voltage transients, which is especially valuable when large bulk capacitors are present on the load side. Common applications for this device include USB port power switching in notebooks and hubs, hot-swap and section-power management in servers and storage arrays, load management in industrial PLCs and factory equipment, battery-powered portable electronics, and any 0.5-13.5 V rail that requires controlled turn-on and fault isolation. When designing with this part, place the soft-start capacitor as close as possible to the SS pin to set the desired inrush-current limit, select the PG pull-up resistor per the datasheet guidance (>=1 kOhm), and verify thermal performance under worst-case Vout and continuous load conditions because the 2x2 mm DFN package has limited theta_JA margin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
NCP45521IMNTWG-H - 10.5A ecoSWITCH Load Switch, 8-DFN | onsemi
The onsemi NCP45521IMNTWG-H is an integrated ecoSWITCH load management device featuring a single N-Channel MOSFET rated for 10.5 A continuous current, housed in a compact 8-pin DFN (2x2 mm) package with exposed thermal pad. As part of the NCP45520/NCP45521 series, it delivers efficient power domain switching with built-in soft-start inrush current limiting and comprehensive fault protection. A load switch (also called a power distribution switch or eFuse) is a semiconductor device that combines an integrated MOSFET with control, monitoring, and protection circuitry in one IC. Load switches sit hierarchically between DC-DC converters (bulk regulation) and downstream subsystems, enabling individual power-rail gating, sequencing, and isolation. Compared to discrete MOSFETs, integrated load switches reduce PCB area, eliminate discrete gate-driver circuitry, and add protection features such as current limiting, thermal shutdown, and short-circuit response that discrete designs must implement externally. Key features of the NCP45521 include an ultra-low on-resistance integrated N-Channel MOSFET for minimal conduction loss, programmable inrush current limiting via soft-start, active-high enable input for power sequencing, and built-in fault protection including thermal shutdown and short-circuit response. The device is targeted at 0.5 V to 13.5 V power rails, addressing the most common low-voltage domains in modern embedded, computing, and consumer electronics. Architecturally, the NCP45521 integrates a low-RDS(on) N-Channel MOSFET with a control block containing a bandgap reference, charge-pump gate driver, soft-start ramp generator, and protection comparators. The 8-pin DFN package provides a low thermal resistance path through the exposed pad, allowing the device to sustain 10.5 A continuous current while keeping junction temperature rise manageable on standard 2-oz copper PCB pours. Typical applications include USB port power switching, hot-swap power distribution in computing platforms, power-rail sequencing in servers and storage systems, eFuse replacement in industrial control, and battery load disconnect in portable equipment. The compact 2x2 mm footprint enables high-density designs where multiple rails must be independently switched in close proximity. When designing with the NCP45521, place input/output ceramic capacitors close to the VIN and VOUT pins, connect the exposed pad to a continuous ground copper pour, and use the enable pin with a clean logic-level signal to ensure predictable turn-on behavior. Designers should derate continuous current by approximately 20% in non-thermally-enhanced PCB layouts to maintain margin under worst-case ambient conditions. This page synthesizes onsemi datasheet parameters, distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated on a single manufacturer page.
NCP45560IMNTWG-H - 17A Load Switch with ecoSWITCH | onsemi
The onsemi NCP45560IMNTWG-H is an advanced load management IC in the ecoSWITCH family that integrates a 17 A N-channel high-side MOSFET with comprehensive fault protection and power-good signaling. Housed in a 12-pin DFN (3x3 mm) package, it provides a single-component, area-reducing solution for power domain switching with controlled inrush current via soft-start. According to onsemi distributor listings, the device supports continuous load current up to 17 A and offers ultra-low on-resistance for minimal conduction loss. A load switch IC is a power-management semiconductor that energizes and de-energizes a downstream voltage rail on demand, replacing discrete MOSFETs plus their gate drivers and protection circuitry. Load switches sit beneath the broader category hierarchy of power management IC -> hot-swap / load switch -> high-side switch -> N-channel high-side load switch. By integrating the MOSFET, driver, current limit, and fault logic, an ecoSWITCH device shrinks BOM count, board area, and design time compared to discrete equivalents. Key features of the NCP45560IMNTWG-H include integrated soft-start to control inrush current, fault protection with auto-retry or latch behavior, an open-drain power-good output for system sequencing, and an ON/OFF logic-level enable input. The 12-pin DFN package has an exposed pad for low thermal resistance, and the part is fully RoHS-compliant. The ecoSWITCH architecture minimizes voltage drop across the switch under high current, allowing efficient power delivery to downstream regulators, SoCs, or subsystems. Designers typically deploy the NCP45560IMNTWG-H between a system rail and a downstream point-of-load regulator, using the soft-start capacitor to tune turn-on slew rate and the fault pin to flag over-current, over-temperature, or short-circuit events. Compared to a discrete N-FET + gate resistor design, the integrated part saves layout area and provides guaranteed, matched fault thresholds. Power dissipation is dominated by I^2R losses through the integrated MOSFET; PCB thermal design via the exposed pad is essential for sustained 17 A operation. Typical applications include USB-C power delivery path switching, hot-swap bays in servers, eFuse replacement in industrial PLCs, notebook and Chromebook rail switching, multi-rail sequencing in set-top equipment, and SSD/HDD power-rail control. When designing, size the soft-start current trace for the desired inrush rate, route the power-good output to a GPIO or supervisor, and verify thermal performance against worst-case continuous load.
NCP4687DMX25TCG - 500mA, 2.5V LDO Regulator, XDFN-6 | onsemi
The onsemi NCP4687DMX25TCG is a 500 mA CMOS LDO linear voltage regulator that delivers a fixed 2.5V output from a 6-pin XDFN package with exposed thermal pad. The device is specified for high power supply rejection (75 dB PSRR at 1 kHz per manufacturer literature), 340 mV typical dropout at 500 mA load, and 1.0 uA typical quiescent current, making it well-suited for always-on battery-powered rails. The XDFN-6 (1.2 mm x 1.2 mm) footprint occupies minimal PCB area while the exposed pad provides a low-theta thermal path for sustained 500 mA delivery. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage, by using a CMOS or bipolar pass transistor that can operate with small input-to-output differentials. Within the broader power management hierarchy, an LDO is a subclass of linear regulator, which itself falls under voltage regulators, which are part of the power management IC (PMIC) family of semiconductors. LDOs are favored over switching regulators in noise-sensitive applications because they introduce no switching ripple, trading efficiency at large voltage drops for clean, low-noise output. Key features include high PSRR for upstream switching-converter ripple rejection, low dropout for low-voltage headroom operation, integrated over-current and over-temperature shutdown protection, an active-high enable pin for power sequencing, and a built-in low-RDS(on) NMOS transistor for fast output capacitor discharge during shutdown. Output voltage accuracy is held within tight tolerances per the manufacturer datasheet (200 for NCP4687 series). Technically the NCP4687DMX25TC uses a CMOS pass element rather than a bipolar transistor, which directly yields the low quiescent current (typically 1.0 uA) that makes it appropriate for portable, battery-powered systems. The integrated NMOS auto-discharge transistor quickly bleeds the output capacitor when the part is disabled, preventing residual voltage on the rail. The high PSRR at audio-band frequencies protects downstream analog blocks from upstream buck-converter switching ripple. Typical applications include smartphone and wearable PMIC auxiliary rails, IoT sensor node power, portable medical monitoring electronics, automotive infotainment low-voltage rails, and as a post-regulator following a switching pre-regulator for noise-sensitive analog circuits. When designing with this part, place a 1.0 uF ceramic input decoupling capacitor as close as possible to the input and ground pins per the datasheet, and use an equivalent low-ESR ceramic on the output. Do not omit the enable pin pull-down if unused. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
NCP81111MNI3TXG - 3-Phase VR12.5/12.6 Digital Controller | onsemi
The onsemi NCP81111MNI3TXG is a high-performance, single-output, three-phase digital buck controller compliant with Intel VR12.5 and VR12.6 specifications, supplied in a 32-pin QFN (5x5 mm) package with exposed thermal pad. The device integrates a Serial VID (SVID) interface and an I2C control port, and operates at switching frequencies up to 5 MHz to support compact CPU core-voltage regulator solutions. A multiphase buck controller is a power-management IC (PMIC) that interleaves multiple synchronous buck phases to deliver high current at low voltage while spreading thermal dissipation across the PCB. Within the broader system hierarchy, the NCP81111 sits in the CPU core rail of a server, workstation, or embedded computing platform, between a 12 V (or higher) intermediate bus and the loadline-regulated Vcore output demanded by an Intel VR12.5/12.6 processor. The architecture combines precision analog current sensing with digital modulation to meet the stringent dynamic load, overshoot, and DC tolerance requirements of modern CPUs. Key features include three integrated gate drivers capable of driving external N-channel MOSFETs in a true multiphase topology, SVID bus communication for direct CPU-to-controller command, an I2C interface for telemetry, configuration, and fault readback, per-phase current balancing, dynamic phase add/drop, programmable loadline, and comprehensive protection including over-voltage, under-voltage, over-current, and over-temperature. The controller supports PMBus-compatible telemetry of output voltage, current, and temperature for system-level monitoring. The NCP81111 implements a digital control loop with adaptive voltage positioning and high-bandwidth error amplification, achieving fast transient response to VR12.5/12.6 step loads. Phase shedding dynamically disables phases at light load to maximize efficiency, while automatic phase add/drop maintains regulation under sudden load increases. The 5 MHz switching capability enables the use of small inductors and ceramic output capacitors, reducing board area compared to legacy controllers. Typical applications include Intel VR12.5/12.6-compliant server and workstation CPU core power, single-rail high-current POL converters in networking ASICs and FPGAs, graphics processor power in workstation add-in cards, and high-end embedded computing platforms. The exposed pad package supports sustained multiphase operation at tens of amps with appropriate thermal design. When designing with the NCP81111, follow the manufacturer's reference layout for the QFN exposed pad and place the current-sense resistors and bootstrap capacitors as close as possible to the controller pins. The SVID and I2C lines require pull-up resistors per the Intel VR12.5/12.6 design guide; verify timing with the target CPU's VR12.5/12.6 compliance checklist before tape-out.
NCP81203P High-Speed Digital Controller | onsemi
The onsemi NCP81203P is a high-speed digital controller for power-sequencing, voltage-regulation, battery-management, and load-control applications in compact electronic systems. The verified data identifies the device family as a High Speed Digital Controller, but does not provide verified electrical ratings, package dimensions, pin assignments, timing values, or thermal limits for the NCP81203P orderable variant. A digital power controller is a power-management semiconductor that uses programmed control logic, status signaling, or supervisory functions to coordinate power rails and system loads. This places the device within the hierarchy of PMIC, digital power controller, power-sequencing controller, and load-control component. GlobalSpec specifically associates the NCP81203P with power sequencing, voltage regulation, battery management, load control, and compact electronic system design. The main verified feature is its high-speed digital-control positioning. In a multi-rail system, a controller can monitor supply and status conditions and coordinate rail transitions more deterministically than a passive network alone. Exact timing thresholds, configurable limits, output count, programming interface, and supported rail conditions cannot be stated from the supplied excerpts and require confirmation from the applicable manufacturer datasheet. The controller category can simplify system-level power management by separating sequencing decisions from passive power conversion. A downstream DC-DC converter performs voltage transformation, while a digital controller supervises enable order, fault conditions, or load behavior. This functional partitioning can support orderly startup in notebook and other compact multi-rail systems, provided each rail's timing and voltage requirements are validated against the complete design. Potential applications include notebook-computer power sequencing, battery-system supervision, load switching, industrial controller rails, and compact embedded power trees. GlobalSpec identifies these use cases, while a distributor result notes that NCP81203 was positioned for desktop computing and NCP81203P for notebook applications. No verified pricing, stock, lifecycle, compliance, package, or pin-level data was supplied. Engineers must confirm the NCP81203P package, pinout, electrical limits, timing, and ordering information before layout or procurement. Do not assume compatibility with similarly named NCP81203 variants or third-party regulators based only on generic descriptions. Verify the exact MPN against the authoritative onsemi datasheet and application-specific power-tree requirements. This page separates verified source facts from unknown parameters, provides sourcing links and design-risk guidance, and avoids inventing specifications or replacements. It serves as an engineering triage reference rather than a substitute for the complete NCP81203P manufacturer datasheet.
NCP81266MNTXG - 6+2 Phase IMVP8 Buck Controller | onsemi
The onsemi NCP81266MNTXG is a dual-rail, 6+2 phase buck controller optimized for Intel IMVP8 CPUs, housed in a 52-pin QFN (6x6 mm) package. It combines six phases for the core rail with two phases for the graphics/auxiliary rail, delivering an ultra-fast initial response to dynamic load events with reduced system cost. The controller operates from a nominal 5 V supply, supports a maximum switching frequency of 1170 kHz, and integrates an ultra-low offset current monitor amplifier with programmable offset compensation. A multi-phase buck controller (also called a multi-phase voltage regulator controller) is a device that drives multiple parallel switching phases to supply a high-current, low-voltage CPU core. By interleaving the phases, ripple current and effective load-transient response are improved relative to single-phase designs. The NCP81266 belongs to the category hierarchy: multi-phase controller > buck controller > voltage regulator controller > power management IC > semiconductor. Key features include Dual-Edge PWM modulation combined with DCR current sensing for accurate per-phase current telemetry, an SVID interface for direct communication with the Intel IMVP8 VR13/VR14 compatible CPU, programmable offset compensation on the current monitor, and per-phase fault protection including OVP, UVP, OCP, and phase-loss detection. The QFN-52 package exposes the thermal pad for low thermal resistance and provides a compact footprint for notebook and desktop VR motherboards. The NCP81266 uses a programmable switching frequency up to 1170 kHz with adaptive dead-time control, and supports both continuous conduction mode (CCM) and diode emulation mode (DEM) for light-load efficiency. Its SVID-compliant serial interface allows dynamic VID slewing and fault communication with the CPU power management unit. Typical applications include Intel IMVP8 notebook and desktop CPU core rails, VR13/VR14-compatible graphics cores, ultra-thin notebook platforms, and embedded CPU power where multi-phase accuracy is required. The dual-rail architecture supports discrete GPU/graphics rails without a second controller IC. When designing with this controller, the inductor DCR network must be matched to the IMVP8 load-line specification, and the SVID address strap must be configured for the rail being controlled. Thermal design must consider the QFN exposed pad layout to keep junction temperature within limits at full phase count. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical multi-phase design notes not found in the manufacturer datasheet alone.
NCP81269MNTXG - Synchronous Buck Controller, 2-Bit VID | onsemi
The onsemi NCP81269MNTXG is a synchronous buck controller with 2-bit VID inputs, optimized for converting battery or adapter voltage into the power supply rails required in notebook and desktop systems. Housed in a 20-pin QFN (HVQCCN) package, it features a switching frequency up to 600 kHz, automotive temperature grade support up to 125 °C, and dynamic slew-rate-controlled output voltages. A synchronous buck controller is a type of DC-DC switching controller that uses two MOSFETs in a half-bridge configuration to step down a DC input voltage to a lower regulated DC output. Compared to an asynchronous buck (diode-rectified), the synchronous topology replaces the Schottky rectifier with a low-RDS(on) MOSFET, which significantly improves efficiency at light-to-medium loads and reduces conduction losses. Synchronous buck controllers belong to the broader family of switching regulators (buck, boost, buck-boost), which themselves fall under the power management IC (PMIC) hierarchy for computing and portable platforms. Key features include a 2-bit VID (voltage identification) interface that allows dynamic output voltage slewing for power-state transitions (P-state, VID-based power management in modern CPUs and GPUs), an externally programmable soft-start via a single capacitor, and wide input voltage tolerance suitable for both battery and adapter operation. The 600 kHz switching frequency enables compact inductor selection, while the automotive temperature grade supports harsh-environment deployment. Technically, the NCP81269 integrates high-side and low-side MOSFET drivers, a fixed-frequency voltage-mode control loop, and the VID decoding logic directly on-chip. The 2-bit VID scheme provides four discrete output voltage setpoints selected by external logic inputs, allowing the system controller to command voltage changes for low-power states without software intervention. This makes the controller well suited to CPU/GPU core rails, chipset power, and DDR memory termination rails in space-constrained notebook platforms. Typical applications include notebook system rails, desktop motherboard buck rails, chipset and memory termination supplies, and embedded computing platforms requiring dynamic voltage scaling. The wide operating temperature range and automotive grade make it attractive for industrial and automotive infotainment boards that demand similar power-rail architectures. When designing with this controller, ensure the bootstrap capacitor is sized per the high-side driver's requirements and that the feedback compensation network is matched to the selected output L-C filter. The 2-bit VID inputs are referenced to the controller's logic supply; verify logic-level thresholds match the driving GPIO or system controller outputs. This page synthesizes distributor pricing, drop-in alternative guidance, and practical design notes drawn from manufacturer datasheet material - providing added engineering context not found in the original datasheet.
NCR18650GA - 3450mAh 10A 18650 Li-Ion | Panasonic
The Panasonic NCR18650GA is a high-capacity cylindrical 18650 lithium-ion rechargeable cell rated at 3450 mAh nominal capacity and 10 A continuous discharge, built on a Nickel-Cobalt-Aluminum (NCA) cathode chemistry. The cell measures 18.6 mm in diameter by 65.2 mm in length (bare cell dimensions, without PVC tube), with a typical mass of approximately 48 g. Its nominal voltage is 3.6 V, charged to 4.2 V and discharged to a 2.5 V cutoff. What is an 18650 lithium-ion cell? The 18650 format is a standardized cylindrical Li-ion cell (18 mm diameter x 65 mm length) that has become the dominant building block for portable power. NCR-series cells from Panasonic belong to the high-capacity tier of the lithium-ion family, sitting between energy-optimized LFP cells and power-optimized NMC cells. Within a system hierarchy, the NCR18650GA is a lithium-ion rechargeable cell -> cylindrical Li-ion -> battery cell -> energy storage component. Key differentiating features include a class-leading 3450 mAh capacity at low C-rates combined with a 10 A continuous discharge rating, making it one of the few cells that bridges high-capacity and high-power use cases. The NCA chemistry delivers an energy density of approximately 700 Wh/L and 243 Wh/kg at the bare-cell level. The cell is rated for operation from 0°C to 45°C charge and -20°C to 60°C discharge, and is supplied as an unprotected bare cell intended for integration into battery packs with a Battery Management System (BMS). Technical depth: The NCA cathode (LiNiCoAlO2) provides high specific energy through a high nickel content, while aluminum doping improves thermal stability versus pure NMC chemistries. The graphite anode uses a standard intercalation chemistry. Internal construction follows a jelly-roll winding with a pressure-relief vent activated at approximately 2.5 MPa. Cycle life is rated at 300-500 cycles to 80% capacity under standard 1C charge/1C discharge conditions at 25°C. Typical applications include portable power banks, laptop battery packs, e-bike and light electric vehicle packs, portable vacuum cleaners, high-output flashlights, FPV drone goggles and radios, and DIY stationary energy storage (when used with a proper BMS). The cell's combination of capacity and 10 A discharge suits applications needing long runtime at moderate current. When designing with this cell, always pair it with a protection circuit (BMS) that enforces 2.5 V undervoltage cutoff, 4.2 V overcharge cutoff, and overcurrent protection. Avoid charging below 0°C to prevent lithium plating. For high-current applications (above 5 A), use properly rated cell holders or spot-welded nickel strips and ensure adequate thermal management.
NCV1362ABDR2G - 50W Automotive QR Flyback Controller | onsemi
The onsemi NCV1362ABDR2G is a highly integrated quasi-resonant (QR) peak current-mode primary-side flyback controller targeting low-power off-line Switch-Mode Power Supplies (SMPS) from a few watts up to 50 W in automotive and commercial applications. Housed in an 8-pin SOIC (SOIC-8 / NB / 8-SOIC) package, the device operates with a switching frequency range of 1 kHz to 140 kHz (typical 110 kHz), a maximum switching frequency of 130 kHz, and is powered from a 6.5 V to 28 V supply on the VCC pin. A quasi-resonant flyback controller is a type of AC-DC offline switching controller that turns the primary MOSFET on when the drain voltage rings to its valley, dramatically lowering switching losses and EMI versus a hard-switched PWM controller at fixed frequency. It belongs to the controller hierarchy: AC-DC controller -> offline switcher -> quasi-resonant controller -> peak current-mode controller -> power management IC. Primary-side regulation (PSR) eliminates the opto-coupler and secondary reference, enabling tighter CV/CC accuracy with a smaller BOM. Key features of the NCV1362ABDR2G include quasi-resonant valley-switching for reduced EMI and improved efficiency, primary-side constant-voltage and constant-current regulation (no opto-coupler required), a wide VCC range of 6.5 V to 28 V, built-in protections (over-voltage, over-current, over-power, short-circuit, and thermal shutdown), and a 1 kHz to 140 kHz programmable switching-frequency range. Automotive-grade qualification per onsemi's NCV prefix supports AEC-Q100 applications such as USB chargers, e-bike chargers, and LED drivers. The controller uses a current-mode control architecture with a transconductance error amplifier and an internal reference, allowing the designer to set loop dynamics with a single external compensation network on the COMP pin. The quasi-resonant detection block identifies the drain-voltage valley and synchronizes turn-on, lowering dv/dt stress on the MOSFET and reducing conducted EMI by up to 10 dB relative to a fixed-frequency controller at the same load. Typical end uses include USB Type-C chargers (5 V / 3 A) for vehicles, 12 V-24 V auxiliary supplies in two-wheeler and four-wheeler electrical systems, LED driver front-stages, e-bike and e-scooter chargers, white-goods auxiliary supplies, and industrial IoT gateways requiring isolated low-power rails. The wide VCC tolerance also allows direct operation from rectified 12 V or 24 V battery buses without an external regulator. When designing with the NCV1362ABDR2G, place the gate-drive resistor and the current-sense resistor as close to the CS and DRV pins as possible, and keep the high-voltage drain loop area minimal to limit ringing that could falsely trigger the QR detector. The VCC hold-up capacitance must sustain operation through the auxiliary-winding dropout interval at minimum line voltage.
NCV4269AD250R2G - 5V 150mA Micropower LDO | onsemi
The onsemi NCV4269AD250R2G is a 5.0 V fixed-output, micropower low-dropout linear regulator rated for 150 mA output current and packaged in a 14-pin SOIC. It accepts an input voltage up to 45 V, maintains output accuracy within ±2%, and includes a delayed active reset output plus a sense input/output monitoring interface for processor supervision. The maximum dropout voltage is 0.5 V at 100 mA, making it suitable for industrial and embedded systems where a regulated 5 V rail must be produced from a higher-voltage source. The device also offers a programmable delay and adjustable reset behavior through its monitoring logic. Its micropower architecture targets low-consumption control, instrumentation, and embedded equipment where standby dissipation matters. The NCV4269 family is identified by onsemi as a 5.0 V precision micropower voltage regulator with 150 mA capability. The AD250R2G ordering option uses the 14-SOIC package and is identified by DigiKey as a positive, fixed, single-output linear regulator. Its combination of wide input-voltage headroom, supervised reset, and low quiescent-current operation makes it more than a basic 5 V LDO: it is a power-management subsystem component for systems that need controlled startup and reliable brownout notification. Typical applications include automotive and industrial control modules, sensor interfaces, low-power embedded processors, alarm systems, and regulated 5 V supply rails. Because the part is intended for a broad operating environment, verify temperature-range, capacitor, and reset-timing requirements against the manufacturer datasheet before production release.
NCV4274ADS50R4G - 400mA 5V Fixed LDO Regulator | onsemi
The onsemi NCV4274ADS50R4G is a precision micro-power low-dropout (LDO) linear voltage regulator delivering a fixed 5.0 V output at 400 mA from a wide 5.5 V to 40 V input range, housed in a 3-pin D2PAK (TO-263) surface-mount package with an exposed thermal pad. The device belongs to the NCV4274 family and is qualified to AEC-Q100 for automotive applications, providing ±2% output accuracy at 25 °C. An LDO (low-dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage, by using a pass transistor operating in the linear region rather than a switching element. The LDO belongs to the broader category of linear regulators, which sit within voltage regulators, which are part of power management ICs. LDOs are preferred over switching regulators wherever low output noise, fast line-load response, and minimal external component count are critical, although they dissipate (VIN − VOUT) × IOUT as heat. Key features include a low 250 mV typical dropout voltage at full 400 mA load, a low quiescent current of only 150 µA with a 1.0 mA load, and integrated protection functions including over-current, over-temperature, and reverse-input protection. The D2PAK package offers low thermal resistance for heat extraction in harsh environments, while the automotive-compliant NCV designator confirms PPAP documentation availability. The device uses a precision bandgap reference and an internal PNP pass transistor architecture to achieve tight line and load regulation. The wide input voltage tolerance supports load-dump and jump-start transients common in 12 V and 24 V automotive systems without additional front-end protection. Typical applications include automotive body electronics, infotainment and instrument cluster power rails, industrial 24 V sensor supplies, and any post-regulation stage that requires a clean 5 V rail from a higher-voltage battery bus. When ordering panels, the "50" suffix denotes 5.0 V output and "ADS50R4G" indicates the D2PAK package on a 800-unit reel. When designing with this device, derate the output current according to PCB copper pour and ambient. Pickups for both input and output capacitors should be low-ESR ceramic or tantalum and placed as close to the IC pins as possible. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
NCV5703CDR2G - High-Current IGBT Gate Driver, SOIC-8 | onsemi
The onsemi NCV5703CDR2G is a high-current, high-performance stand-alone IGBT gate driver with non-inverted input logic, housed in an 8-pin SOIC package and qualified to the AEC-Q100 standard for automotive use. The device integrates both high-side and low-side drive channels and delivers peak source/sink currents typically in the multi-ampere range, allowing it to switch medium-to-high-power IGBT modules directly without external booster stages. A wide supply range supports operation from standard logic rails up to the bus voltages commonly used in industrial and automotive power conversion. A gate driver IC (also called a gate driver or IGBT driver) sits between a low-power controller such as an MCU, DSP, or FPGA and the gate of a power switch. The driver's job is to translate the controller's logic-level PWM signal into a high-current drive that can rapidly charge and discharge the IGBT's gate capacitance, minimizing switching losses and preventing shoot-through. Within the broader power electronics hierarchy, the NCV5703CDR2G is a half-bridge gate driver, itself a member of the gate driver family, which belongs to the power management IC category of semiconductors. Key differentiating features include an integrated Active Miller Clamp, built-in DESAT (desaturation) short-circuit protection, and an under-voltage lockout (UVLO) on the driver supply. The non-inverting input logic simplifies MCU interface design, while the wide VCC operating range and automotive-grade qualification make the device suitable for PTC heaters, EV chargers, solar inverters, induction heating, and motor drive stages. The NCV5703 series uses a high-speed CMOS input stage coupled with a high-current totem-pole output structure. The 8-pin SOIC footprint is small for its drive strength, and the device's high dV/dt immunity combined with internal negative gate drive capability improves dv/dt-induced turn-on robustness. The integrated Active Miller Clamp suppresses parasitic turn-on caused by the IGBT's Miller capacitance during high-voltage transitions. Typical applications include EV onboard chargers, PTC heater drives for cabin heating, industrial motor drives, solar string inverters, induction heating cookers, and uninterruptible power supplies. In each case, the NCV5703CDR2G provides the high-current gate charge and discharge needed to switch high-voltage IGBTs efficiently. A key design consideration is the trade-off between the small SOIC-8 footprint and the multi-ampere drive currents; designers must ensure adequate PCB copper area for thermal dissipation and short gate-drive traces to minimize parasitic inductance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
NCV68061SNAIT1G - Ideal Diode NMOS Controller | onsemi
The onsemi NCV68061SNAIT1G is a reverse polarity protection and ideal diode N-channel MOSFET controller that drives an external NMOS transistor to replace power rectifier diodes with far lower loss and lower forward voltage, housed in a 6-pin TSOT-23-6 (SOT-23-6 Thin) surface-mount package with a quiescent supply current of just 215 uA. An ideal diode controller is a power-management IC that continuously monitors the voltage across an external MOSFET and switches it on or off to emulate a diode without the conventional forward voltage drop of 0.4 V to 0.7 V. In the power-supply hierarchy, it sits in the protection and power-path management layer alongside ORing controllers, hot-swap controllers and load switches, making it a key element in N+1 redundant power architectures where supplies are paralleled. Key features include reverse polarity protection, reverse current blocking, and N+1 ORing controller functionality. Because the NCV68061 controls the ON/OFF state of the external N-channel MOSFET according to the source-to-drain voltage, the conduction loss is limited to I2xRDS(on) of the MOSFET rather than a fixed diode drop, dramatically reducing power dissipation and heat-sinking requirements in high-current paths. Technically, the device senses the differential voltage across the external MOSFET and drives the gate to regulate or block conduction, providing a fast response that blocks reverse current before it can flow from a higher-potential output back into a failed or lower-voltage input rail. The low 215 uA supply current makes it suitable for always-on automotive and battery-fed systems where every milliamp matters. Typical applications include automotive power-path protection, N+1 redundant power-supply ORing in telecom and networking infrastructure, and reverse-battery protection in industrial systems. The NCV prefix and onsemi classification confirm its automotive-grade positioning, and an official evaluation board (NCV68061SNAIT1G-GEVB) is available for rapid prototyping. Design consideration: because the controller drives an external MOSFET, total performance depends heavily on the selected NMOS - choose a device with low RDS(on) at the available gate drive, and verify the source-to-drain sensing thresholds in the manufacturer datasheet before finalizing the layout. This page synthesizes distributor pricing, package data, and application guidance not found together in the manufacturer datasheet, with pricing as of 2026-10-19.
NCV68261MTWAITBG - Ideal Diode HS NMOS Controller | onsemi
The onsemi NCV68261MTWAITBG is a reverse polarity protection and ideal diode NMOS controller with an optional high side switch function, driving one or two external N-channel MOSFETs from a 6-pin WDFNW (2x2 mm) surface-mount package. It is intended as a lower-loss, lower-forward-voltage replacement for power rectifier diodes and mechanical power switches in automotive power paths. An ideal diode controller is a power-management device that drives an external MOSFET to emulate a diode without the conduction losses of a p-n or Schottky junction. Where a conventional rectifier diode drops roughly 0.5 V to 0.7 V and dissipates significant heat at high current, an ideal diode stage drops only Iload x Rds(on) of the MOSFET, cutting forward-voltage loss by an order of magnitude. In the vehicle power hierarchy - battery feed, reverse-polarity guard, load switch, point-of-load regulator - this part occupies the protection and switching layer, downstream of the fuse box and upstream of the load. Key features include MOSFET gate control driven directly by the state of the Enable pin, support for one or two N-channel MOSFETs in ideal-diode or high-side-switch configurations, and automotive-grade qualification signaled by the NCV prefix. Replacing a mechanical relay or a series Schottky with this controller plus a low-Rds(on) NMOS reduces forward voltage, power dissipation, and hot-swap contact wear in the power distribution path. Technically, the controller senses the anode-cathode orientation across the external MOSFET and adjusts the gate to block reverse current, while the enable input determines ON/OFF state. Because the external MOSFET sets the current rating, designers can scale the same controller from a few amperes to tens of amperes by selecting an appropriate NMOS - a key advantage over fixed-rating protection ICs. Typical applications include automotive battery reverse-polarity protection, 12 V and 24 V power distribution modules, ECU main power feeds, and industrial systems replacing mechanical relays with solid-state switching. The automotive temperature-grade rating suits underhood and body-electronics environments. Design consideration: the forward-drop saving depends entirely on the chosen MOSFET Rds(on); verify gate-drive amplitude and reverse-blocking behavior at cold crank and load-dump conditions before finalizing the BOM. This page synthesizes distributor pricing, functional cross-references, and practical design notes not found in the manufacturer datasheet alone.
NCV68261MTWAITBG-GEVB - Ideal Diode Controller Eval Board | onsemi
The onsemi NCV68261MTWAITBG-GEVB is an evaluation board for the NCV68261, a reverse polarity protection and ideal diode NMOS controller with optional high side switch function from onsemi. The board lets engineers assess the NCV68261MTWAITBG controller IC, which is housed in a 6-pin WDFNW (2x2 mm) package, in real power path circuits before committing to a PCB layout. An ideal diode controller is a power management IC that drives external N-channel MOSFETs to emulate a diode with near-zero forward voltage drop. In the power path hierarchy (ideal diode controller -> power switch driver -> power management IC), it replaces conventional power rectifier diodes and mechanical switches, which waste power as heat. The NCV68261 sets the ON/OFF state of one or two external N-channel MOSFETs based on the state of the Enable pin and the input-to-drain differential voltage polarity, blocking reverse current and protecting downstream electronics against reversed battery connections. Key features of the NCV68261 family include reverse polarity protection, ideal diode operation with fast reverse-current blocking, and an optional high side switch mode controlled by the Enable pin. Automotive-grade qualification supports 12 V and 24 V vehicle electrical systems, making the controller suited to battery-fed power rails where low forward drop directly reduces conduction losses and heat sink requirements. The evaluation board ships pre-populated with the NCV68261MTWAITBG controller and the external MOSFET network, providing access to input, output, enable, and gate nodes for instrumentation. Engineers can measure forward voltage drop, reverse-recovery blocking time, quiescent current, and transient response under realistic load conditions. It also demonstrates both basic configurations described in the datasheet: the ideal diode application and the reverse polarity protection plus high side switch application. Typical evaluation targets include automotive battery reverse protection modules, industrial 24 V supply front ends, and low-loss ORing of redundant supplies. Board bring-up with the NCV68261MTWAITBG-GEVB shortens design cycles because layout, thermal, and fault behavior can be verified against the datasheet electrical characteristics before tape-out. A key design consideration is MOSFET selection: the controller drives external NMOS transistors, so gate charge, Rds(on), and SOA determine the achievable forward drop and fault robustness. This page synthesizes distributor pricing and availability, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
NCV7240DPR2G - 8-Channel 600mA Low-Side Driver | onsemi
The onsemi NCV7240DPR2G is an automotive-grade octal low-side relay and solenoid driver capable of sinking up to 600 mA per channel in a 24-pin SSOP package. It integrates eight open-drain N-channel power switches with on-resistance of approximately 1.5 ohm and provides SPI-based output control plus parallel addressable inputs in pairs, giving designers flexibility between serial daisy-chained or direct parallel command modes. A low-side driver is a power-distribution switch that connects a load to ground rather than to the positive rail, and an octal low-side driver combines eight such switches on one die. As a relay/solenoid driver it belongs to the broader category of power-management ICs that also includes load drivers, gate drivers, and high-side switches. Compared with mechanical relays it provides solid-state switching, built-in fault reporting (open-load, short-to-ground, over-current, and over-temperature), and SPI diagnostics — which is why low-side drivers are favored for body and chassis ECUs in automotive systems. Key specifications include 600 mA continuous drain current per channel, 8 channels independently controlled, an operating supply range suitable for 12 V automotive rails, integrated protection features (open-load detection, short-to-ground detection, over-load shutdown, and per-channel thermal shutdown), a serial-peripheral-interface (SPI) for programming and diagnostics, and IN1–IN4 parallel inputs that can override the SPI register in pairs. The 24-pin SSOP package has a thermal resistance of approximately 67 C/W and is qualified to automotive grade. Typical applications include driving automotive relays, solenoids, lamps, and LEDs in body-control modules, junction boxes, instrument panels, and HVAC blower controls. Its parallel-IN override also enables hardware-only operation in safety-critical or pre-boot stages where the SPI master is not yet active. When designing with the NCV7240DPR2G, ensure adequate thermal copper under the SSOP exposed thermal area to dissipate worst-case 8-channel on-state loss, and bypass the logic and VCC pins with 100 nF ceramics placed within 3 mm of each pin. The combination of SPI diagnostics and parallel-IN override provides robust operation across both normal communication-driven and fail-safe fallback control modes. This datasheet, pricing, and drop-in compatibility synthesis were compiled from multiple distributor and manufacturer sources not aggregated on any single distributor page. It is intended as an engineering supplement to the manufacturer datasheet, not a substitute for the original.
NCV7685DQR2G - 12-Ch 60mA LED Linear Driver, I2C, Automotive | onsemi
The onsemi NCV7685DQR2G is a 12-channel linear constant-current LED driver with 60 mA per channel and I2C programmable PWM dimming, housed in a 24-pin SSOP-EP package with exposed thermal pad. Designed for automotive lighting regulation, it integrates twelve programmable current sources sharing a common reference and supports 128 duty-cycle steps per output with independent channel control. The device operates from a wide supply range typical of automotive 12 V/24 V systems and communicates via a standard I2C serial interface for configuration and diagnostics. A linear LED driver (also called linear current regulator or LED constant-current sink) is a class of power management IC that regulates the current flowing through each LED string by dissipating the excess input-to-LED voltage as heat on a linear regulator element. Linear LED drivers belong to the broader category of LED drivers, which sit inside power management semiconductors and are valued for their low EMI signature because they do not switch at high frequency like buck/boost converters. This makes linear drivers ideal for applications where conducted and radiated noise must be minimized, such as automotive rear-combination lamps, instrument clusters, and interior ambient lighting. Key features of the NCV7685DQR2G include twelve 60 mA current sinks with shared reference, 128-step PWM dimming per channel, I2C addressable control, integrated thermal protection, and a PWM frequency that can be programmed through the serial interface. Each channel can be independently enabled or disabled and assigned its own duty cycle, enabling per-LED brightness control for animation effects. The device supports open-circuit, short-circuit, and over-temperature fault reporting through the I2C status registers. Architecturally, the IC combines twelve matched low-side current mirrors with a single internal bandgap reference, providing channel-to-channel current matching within a tight tolerance suitable for uniform brightness across multi-LED strings. The SSOP-EP package with exposed pad provides a low thermal resistance path, allowing higher total dissipation at elevated ambient temperatures typical of underhood and lamp-housing environments. Typical applications include automotive rear lamps (tail, brake, turn), daytime running lights, interior ambient lighting, instrument-panel backlighting, and status indicators where individual LED brightness control and fault diagnostics are required. It is also used in body-control modules and BCM-driven lighting subsystems. A key design consideration is total power budget: at 60 mA per channel with all 12 channels active at full current, headroom voltage on each channel becomes heat. Designers should compute worst-case (VIN - VLED) x Iout and verify junction temperature against the SSOP-EP thermal resistance to avoid thermal shutdown. A trade-off versus switching LED drivers is lower EMI but higher dissipation. This page synthesizes distributor pricing, drop-in same-package equivalents, and engineering design notes not found in the manufacturer datasheet alone.
NCV8730ASN500T1G - 150mA 38V LDO, 5.0V Fixed, TSOP-5 | onsemi
The onsemi NCV8730ASN500T1G is a 150 mA CMOS low-dropout (LDO) linear regulator with a fixed 5.0 V output, 38 V maximum input voltage, and 1 µA quiescent current, housed in a 5-pin TSOP (TSOP-5 / SOT-23-5 equivalent) package and qualified to AEC-Q100 for automotive applications. The device is engineered for always-on, battery-powered systems where a wide input range and ultra-low standby current are required, and it integrates a Power-Good (PG) open-drain output for rail monitoring and power-sequencing tasks. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage approaches the output voltage. Within the broader system hierarchy, an LDO belongs to the family of linear regulators, which in turn sit under voltage regulators, a sub-category of power management integrated circuits (PMICs). Unlike switching regulators, an LDO dissipates the voltage difference (VIN − VOUT) × IOUT as heat, but it introduces no switching noise, making it ideal for analog, RF, and microcontroller supply rails. Key features of the NCV8730ASN500T1G include the 38 V absolute-maximum input rating, 1 µA typical quiescent current (per the onsemi NCV8730 datasheet), a Power-Good flag that asserts when the output is in regulation, and built-in protections such as current limit and thermal shutdown. The CMOS architecture provides fast transient response to sudden load steps, and the 5-pin TSOP package keeps the PCB footprint compact for space-constrained modules. Architecturally, the NCV8730 uses a PMOS pass element driven by a precision bandgap reference, and the fixed 5.0 V variant (denoted "SN500" in the ordering code) eliminates external feedback resistors. The PG comparator monitors the output and pulls the open-drain PG pin low if VOUT falls below approximately 92% of nominal, which a host MCU or sequencer can use to detect brown-out conditions. Typical applications include automotive body electronics and sensor modules, industrial battery-powered instrumentation, IoT and smart-sensor nodes, low-power microcontroller rails, and standby power rails in energy-harvesting systems. The wide VIN range also makes it suitable for 12 V/24 V automotive buses post-protection. When designing with this part, place input and output ceramic capacitors as close as possible to the pins and keep the PG pull-up resistor value low enough to meet the required rise time. Designers should also evaluate the worst-case power dissipation (PD = (VIN − VOUT) × IOUT) to confirm the TSOP-5 thermal envelope is not exceeded. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the NCV8730ASN500T1G that are not found in the manufacturer datasheet alone.
NIS6351MT1TXG - 5V 3A Electronic eFuse | onsemi
The onsemi NIS6351MT1TXG is a +5V resettable electronic fuse (eFuse) protection IC delivering up to 3 A of continuous output current in a compact 10-pin WDFNW (3x3 mm) package. It integrates overcurrent protection, thermal latch, and fault shutdown functions in a single surface-mount device for USB power rail protection. An electronic fuse (eFuse) is an active circuit-protection IC that replaces traditional passive PPTC fuses and discrete fuse elements. Sitting within the hierarchy of power management ICs, an eFuse monitors the current flowing into a load and disconnects the power path within microseconds when a fault such as a short circuit, overcurrent, or overtemperature event is detected. Unlike one-time polymer fuses, an electronic fuse can reset automatically or latch off under system control, dramatically improving reliability and serviceability of hot-plug interfaces such as USB ports. The NIS6351 is described by onsemi as a cost-effective, resettable fuse which can greatly enhance the reliability of a USB application from both catastrophic and shutdown failures. Key characteristics include the 5 V rated input rail, 3 A current capability, a thermal latch feature, and a lead-free, RoHS-compliant WDFNW-10 (3x3 mm) footprint suited to space-constrained portable designs. The 'thermal latch' behavior means that once a severe overtemperature or overcurrent event trips the device, it stays off until the fault is removed and the part cools, protecting both the IC and downstream circuitry from repeated fault cycling. Typical applications include USB port power protection in host and peripheral devices, 5V distributed power rails in notebook computers and docking stations, hot-swappable accessory protection, and general-purpose 5V rail current limiting in industrial and consumer electronics. Where a robust, resettable protection element is required on a 5V line, the NIS6351 fits directly in series with the power path. For design, ensure that PCB copper area under the exposed pad of the WDFNW-10 package is adequate for the worst-case power dissipation during a fault, and follow onsemi datasheet layout guidance for input/output capacitance placement. Verify the current-limit setting against your USB port specification (e.g., USB 2.0 vs USB 3.0 current classes). This page synthesizes distributor pricing, availability, datasheet references, and practical design guidance not consolidated in the manufacturer datasheet alone.
NJM2835DL1-05-TE1 - 500mA 5V LDO Regulator | Nisshinbo
The Nisshinbo Micro Devices NJM2835DL1-05-TE1 is a 500 mA low-dropout (LDO) linear voltage regulator with a fixed 5.0 V output in a TO-252-3 (DPAK) surface-mount package. According to the Mouser listing for the part, the device features a 45 uVrms noise floor, 75 dB ripple rejection, a 0.18 V typical dropout, and is stable with only a 2.2 uF ceramic output capacitor. The 5.0 V fixed output variant is supplied in tape-and-reel packaging and operates over a wide input voltage range up to 15.5 V. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage - the so-called dropout condition. As a subclass of linear regulators, LDOs sit within the broader category of voltage regulators, which themselves fall under power management ICs (PMICs). LDOs are preferred over switching regulators in noise-sensitive analog, audio, RF, and sensor signal-chain applications because they add no switching ripple to the rail, at the cost of dissipating extra energy as heat when VIN is significantly higher than VOUT. The NJM2835DL1-05-TE1 uses advanced bipolar technology from the NJM2835 family to deliver low noise and high ripple rejection in a small form factor. Internal protection includes current limit, thermal shutdown, and the built-in noise bypass capacitor that allows the 45 uVrms noise specification without an external bypass network. The TO-252-3 (DPAK) package provides a drain-tab thermal pad for board-level heat spreading, and the 2.2 uF minimum ceramic output capacitor requirement supports compact designs. Typical applications include post-regulation after a DC-DC switching converter in noise-sensitive subsystems, 5 V supply rails for microcontrollers, sensors, and audio codec analog sections, USB-powered devices, point-of-load regulation on industrial 12 V/24 V backplanes, and consumer appliances where a clean 5 V rail is required from a higher-voltage bus. The wide input range also makes it usable on 12 V automotive subsystems (cold-crank tolerant within datasheet limits). When designing with this part, observe the dropout limit at maximum load (a 500 mA load at low VIN approaches dropout when VIN approaches 5.05 V). Place the input and output capacitors close to the IC body to ensure stability and minimize output impedance at high frequency.
NJM2882F05-TE1 - 300mA LDO Regulator, 5V Fixed, SOT-23-5
The Nisshinbo Micro Devices NJM2882F05-TE1 is a 300 mA low-dropout (LDO) linear voltage regulator with a fixed +5.0 V output, packaged in a 5-pin SOT-23-5 (MTP5) surface-mount outline. It delivers 75 dB ripple rejection at 1 kHz and 30 µVrms output noise, accepting input voltages up to 14 V and integrating ON/OFF control, short-circuit protection, and over-temperature protection. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is only marginally above the output. Within the broader power management hierarchy, an LDO sits beneath DC-DC converters and standard linear regulators, providing cleaner, lower-noise rails at the cost of dissipating (VIN - VOUT) × IOUT as heat. The NJM2882 belongs to the LDO family, itself a sub-category of linear regulators and ultimately of power management ICs. Key features include a typical dropout of 180 mV at 100 mA, a low 1.0 µF output capacitor requirement for stability, and a quiescent current of 180 µA. The fixed +5.0 V output eliminates external resistor dividers, simplifying BOM and layout, while the active-high enable pin supports power sequencing and standby modes. Advanced bipolar technology achieves the combination of low noise and high PSRR demanded by handheld and portable equipment. The bipolar process architecture trades slightly higher quiescent current versus CMOS LDOs for superior noise and ripple rejection at audio frequencies. Combined with a 300 mA load capability in a 2.8 × 2.9 mm MTP-5 footprint, the device is well-suited for space-constrained designs where clean power is mandatory and PCB real estate is at a premium. Typical applications include portable consumer electronics, USB-powered peripherals, audio codec and headphone amplifier rails, microcontroller supply in battery chargers, and industrial sensor modules. Any system requiring a clean 5 V rail from a higher-voltage source such as a Li-ion cell, 9 V wall adapter, or 12 V bus is a strong candidate for the NJM2882. When designing with this part, ensure the input voltage remains above the dropout threshold plus 5 V across all load and line transients, and use a low-ESR 1.0 µF or greater ceramic capacitor on the output within a few millimetres of the VOUT pin for stable regulation. This page synthesizes distributor pricing, drop-in alternatives within the SOT-23-5 footprint, and practical design notes drawn from the Nisshinbo datasheet - information not consolidated on the manufacturer product page alone.