TPS560200DBVR - 17V, 500mA Synchronous Buck Converter | TI
MPN: TPS560200DBVR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 10 | $0.76 | $7.60 |
| 100 | $0.62 | $62.00 |
| 500 | $0.48 | $240.00 |
| 1,000 | $0.39 | $390.00 |
| 3,000 | $0.32 | $960.00 |
TPS560200DBVR Overview
A buck (step-down) switching converter is a DC-DC power converter that reduces a higher input voltage to a lower regulated output voltage by rapidly switching an internal MOSFET and storing energy in an external inductor. Synchronous buck converters integrate both the high-side switch and a low-side synchronous rectifier MOSFET in a single die to improve efficiency over a diode-rectified buck. Buck converters belong to the broader hierarchy: DC-DC switching converter -> switching regulator -> voltage regulator -> power management IC -> semiconductor. Low-Iq (low quiescent current) variants such as the TPS560200 target always-on systems that need to minimize standby battery drain.
Key features include 500-mA continuous output current, 4.5 V to 17 V VIN range, 0.8 V to 6.5 V adjustable VOUT, 0.8 V reference with ±1.3 % accuracy, integrated 0.95 Ω/0.33 Ω MOSFETs, adaptive on-time D-CAP2 control, auto-skip Advanced Eco-Mode for light-load efficiency, 2-ms fixed soft-start, and proprietary support for both ceramic and POSCAP output capacitors. The D-CAP2 architecture eliminates the external compensation network, shrinking the BOM to the inductor, input/output caps, and feedback resistors.
The TPS560200 uses adaptive on-time control combined with D-CAP2 mode to deliver a fast transient response and ceramic-cap stability without loop compensation. The internal reference is trimmed to ±1.3 % over the operating temperature range, and Eco-Mode automatically transitions the converter into a pulse-skipping state at light loads to maintain efficiency above 80 % down to a few milliamps. The 2-ms internal soft-start limits inrush current at power-up, allowing the device to be brought up safely into pre-biased loads.
Typical applications include 5-V/3.3-V point-of-load rails from a 12-V adapter, USB Type-C accessory supplies, single-cell to multi-cell battery powered equipment, HDMI/DisplayPort bias rails, networking switch point-of-load conversion, and industrial sensor or microcontroller rails. The wide VIN range allows direct conversion from 12-V intermediate buses, eliminating an upstream LDO. When designing with this part, choose an inductor with low DCR in the 1.0-2.2 µH range, place the input ceramic capacitor within 2 mm of the VIN/GND pins, and ensure the VOUT feedback trace is routed away from the SW node to avoid noise injection into the FB divider.
Drop-in alternatives for TPS560200DBVR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TPS560200DBVR (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TPS560200DBVT
✅ Drop-In📋 Reference alternative (not in catalog)
TPS560200QDGKRQ1
✅ Drop-In📋 Reference alternative (not in catalog)
TLV9051SIDBVR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.42 / Unit
View Datasheet →TPS560200DBVR Maximum Ratings & Electrical Characteristics
| Topology | Synchronous Buck (Step-Down) Converter |
| Control Mode | D-CAP2 Adaptive On-Time |
| Input Voltage Range (VIN) | 4.5 V to 17 V |
| Output Voltage Range (VOUT) | 0.8 V to 6.5 V (adjustable) |
| Continuous Output Current | 500 mA |
| Internal Reference Voltage | 0.8 V |
| Reference Accuracy | ±1.3 % over temperature |
| High-Side MOSFET Rds(on) | 0.95 Ω |
| Low-Side MOSFET Rds(on) | 0.33 Ω |
| Soft-Start Time | 2 ms (fixed internal) |
| Light-Load Behavior | Auto-Skip Advanced Eco-Mode |
| Output Capacitor Support | Low-ESR ceramic, POSCAP, SP-CAP |
| Package | 5-pin SOT-23 (DBV) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 °C to +125 °C |
| RoHS Status | Compliant |
TPS560200DBVR Pin Configuration
| Pin 1 | EN — Enable input (high to enable, internal pull-up) |
| Pin 2 | GND — Ground return |
| Pin 3 | VIN — Input supply, 4.5 V to 17 V |
| Pin 4 | FB — Feedback voltage sense, connect to VOUT resistor divider |
| Pin 5 | SW — Switch node, connect to power inductor |
Typical Applications
TPS560200DBVR is suitable for 6 applications: 12-V Point-of-Load Rails for Industrial Systems, USB Type-C Accessory Power Supply, Battery-Powered Portable Equipment, 5-V Bias Rail for HDMI / DisplayPort Interfaces, Networking Switch Point-of-Load Conversion, Sensor and Metering Subsystem Rails.
12-V Point-of-Load Rails for Industrial Systems
The TPS560200DBVR's 4.5 V to 17 V VIN range accepts 12-V industrial intermediate bus voltage directly, eliminating the upstream LDO and reducing board area. Its 500 mA continuous output covers typical microcontroller, sensor, and logic-rail loads in PLCs and factory automation. The 0.95 Ω high-side + 0.33 Ω low-side integrated MOSFETs deliver peak efficiency around 90 % at 12 V to 3.3 V conversion at 200 mA, and D-CAP2 control with internal compensation keeps the BOM to just one inductor and ceramic caps. Advanced Eco-Mode holds efficiency above 80 % down to a few mA standby, which is essential for always-on industrial sensors.
Recommended
USB Type-C Accessory Power Supply
For USB Type-C accessories, the TPS560200DBVR can take 5 V from VBUS and step down to accessory logic rails such as 3.3 V or 1.8 V. Its 500 mA limit matches USB Type-C default-current and downstream 5 V@0.5 A requirements, while D-CAP2 control provides fast response to dynamic loads during USB enumeration. The 5-pin SOT-23 footprint is among the smallest synchronous buck options, freeing board space inside Type-C dongles and adapters. The internal 2 ms soft-start limits inrush to prevent VBUS droop during hot-plug events.
Recommended
Battery-Powered Portable Equipment
In 2S to 4S Li-ion battery packs (6 V to 14.4 V), the TPS560200DBVR's 17 V absolute-max VIN tolerates fully charged packs plus transients while delivering stable 3.3 V or 1.8 V rails for the system MCU and sensors. Advanced Eco-Mode keeps standby current low enough to extend shelf life of battery-powered IoT nodes and wearables. The SOT-23-5 package footprint allows the converter to be placed adjacent to the load with minimal trace length, reducing EMI and improving transient response.
Recommended
5-V Bias Rail for HDMI / DisplayPort Interfaces
HDMI and DisplayPort sink devices need a clean 5-V bias rail for hot-plug detect and DDC lines. The TPS560200DBVR takes 12 V from a display panel's intermediate bus and produces a low-ripple 5 V at up to 500 mA. Its ceramic-cap stability avoids POSCAP height restrictions in slim displays, and adaptive on-time control keeps the converter in CCM across typical pixel-refresh load steps. The small SOT-23-5 footprint allows the converter to be tucked under the connector shield for compact display module designs.
Recommended
Networking Switch Point-of-Load Conversion
Inside networking switches, the TPS560200DBVR can step down a 12-V or 9-V PoE-derived intermediate rail to the 3.3 V or 1.0 V core voltages needed by PHY and switch ASICs. Its 17 V input covers the upper end of the PoE auxiliary supply range. The integrated MOSFETs and 5-pin footprint minimize PCB area on dense multi-rail switch boards, and D-CAP2 control tolerates ceramic output capacitors which are preferred for low-profile switch chassis.
Recommended
Sensor and Metering Subsystem Rails
Smart-meter and sensor-hub designs often derive a 3.3 V or 1.8 V MCU rail from a 12-V or 15-V auxiliary supply. The TPS560200DBVR covers this input range and provides up to 500 mA, enough to power an MCU plus an accelerometer or analog front-end. Adaptive on-time D-CAP2 control means the converter responds quickly to sensor wake-up transients, while Advanced Eco-Mode keeps idle consumption low for utility-meter battery-backup operation.
Recommended
Recommended Products Summary
Engineering reference data for TPS560200DBVR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPS560200DBVT | TPS560200QDGKRQ1 | TLV9051SIDBVR |
|---|---|---|---|---|
| Package | SOT-23-5 (DBV) | SOT-23-5 (DBV) - same | SOT-23-5 (DBV) - same | SOT-23-5 (DBV) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Output Current | 500 mA | 500 mA | 500 mA | N/A (op-amp) |
| Output Voltage Range | 0.8 V to 6.5 V | 0.8 V to 6.5 V | 0.8 V to 6.5 V | N/A (op-amp) |
| Control Topology | D-CAP2 adaptive on-time | D-CAP2 adaptive on-time | D-CAP2 adaptive on-time | N/A (op-amp) |
| Automotive Grade (AEC-Q100) | No | No | Yes (Q1 suffix) | No |
| RoHS / Lead-Free | Yes | Yes | Yes | Yes |
Key Differentiators
- Smallest synchronous buck footprint in TI's 17-V portfolio (vs TPS562200 (SOT-23-6, 2 A))
- Industry-lowest BOM count for 17-V input (vs TPS54360 (HTSSOP-14))
- Ceramic-cap stability without re-compensation (vs TPS54331 (HTSSOP-8))
Design Notes
Place the input ceramic capacitor within 2 mm of the VIN pin (pin 3) and GND pin (pin 2) to minimize switching-loop parasitic inductance. Keep the SW node (pin 5) trace short and narrow to reduce radiated EMI, and route the FB feedback trace (pin 4) away from the SW node and inductor to avoid noise coupling. Use a single-point ground at the exposed GND pad of the SOT-23 with a via-in-pad or stitched ground pour.
Choose an inductor in the 1.0 µH to 2.2 µH range with a saturation current rating at least 1.3x the maximum DC load (≈ 650 mA minimum) and a DCR below 50 mΩ for best efficiency. For output capacitance, a 22 µF X7R 16 V ceramic in 0805 is a typical starting point; the proprietary control loop supports both low-ESR ceramic and POSCAP/SP-CAP topologies without re-compensation.
Estimated: at VIN = 12 V, VOUT = 3.3 V, IOUT = 500 mA, the input power is approximately 0.18 W and output power is 1.65 W of delivered power; switching losses plus conduction losses in the 0.95 Ω/0.33 Ω FETs bring total dissipation to roughly 0.25 W, well within the SOT-23-5 rating when using a moderate copper pour (1 oz, > 0.5 sq.in.). For continuous VIN-VOUT deltas above 10 V at full load, verify with a thermal probe.
Do not exceed the 17 V absolute-maximum VIN; transients above 17 V can be clamped with a TVS such as SMBJ16A at the input. Do not leave FB floating - use 1 % or better resistors in the feedback divider to maintain ±1.3 % VOUT accuracy. The EN pin has an internal pull-up; tie EN to VIN through a 100 kΩ resistor if unused to guarantee startup.
Compliance Information
RoHS and REACH compliant per TI product page. Standard grade is not AEC-Q100 qualified - choose TPS560200QDGKRQ1 for automotive applications requiring AEC-Q100.
