LT3669IUFD#TRPBF - IO-Link Transceiver with Buck/LDO
N.º de pieza: LT3669IUFD#TRPBF ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.38 | $5,38 |
| 10 | $5.38 | $53,80 |
| 100 | $5.38 | $538,00 |
| 500 | $5.38 | $2.690,00 |
| 1.000 | $5.38 | $5.380,00 |
LT3669IUFD#TRPBF Descripción general
An IO-Link transceiver is an interface IC that connects industrial sensors and actuators to a point-to-point communications link. It combines physical-layer signaling with supporting functions that help the connected equipment operate reliably in factory automation, sensors, and industrial control systems. The LT3669 belongs to the transceiver and interface-IC hierarchy, while its integrated regulator sections place it at the intersection of communications, power management, and industrial automation.
The verified manufacturer description identifies a single-transmitter, single-receiver industrial interface with an integrated step-down regulator and LDO. Wake-up detect functionality supports sensor activation, while the programmable power-on reset timer provides a defined startup delay. The transmitter current limit and slew rate are externally adjustable, allowing the interface behavior to be matched to the wiring, capacitance, and protection requirements of a particular sensor or actuator.
Combining the IO-Link physical interface, switching regulator, and LDO can reduce the number of discrete power-support components in a compact sensor design. It is particularly relevant where a sensor needs both a communication link and local regulated power. The integrated regulators also require careful layout because switching-node, analog-ground, and exposed-pad connections must be managed according to the manufacturer datasheet.
Typical uses include industrial proximity and process sensors, actuator modules, factory automation equipment, and IO-Link-compatible control systems. The 28-QFN exposed-pad package supports compact placement but requires a controlled PCB land pattern and adequate thermal copper. Design engineers should verify the complete electrical limits, recommended external components, pin names, and application circuit from the official Analog Devices datasheet before production release.
This page consolidates the verified manufacturer and distributor information for the LT3669IUFD#TRPBF, identifies the available family alternatives, and highlights practical package and selection considerations. For pricing, use the listed distributor references as of 2026-10-23 and confirm live stock, lead time, and configuration before purchasing.
Alternativas directas para LT3669IUFD#TRPBF — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con LT3669IUFD#TRPBF (mismo factor de forma y huella) — difiere en Package, Wake-Up Detect, Transceiver Configuration, Product Type, Integrated Power Functions.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
LT3669EUFD#TRPBF
✅ Sustitución directa✓ En stock
$5.38 / unidad
Ver hoja de datos →LT3669IUFD#PBF
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →LT3669IUFD-2#TRPBF
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →LT3669IUFD-2#PBF
✅ Sustitución directa✓ En stock
$5.38 / unidad
Ver hoja de datos →LT3669HUFD-2#TRPBF
✅ Sustitución directa✓ En stock
$5.38 / unidad
Ver hoja de datos →LT3669IUFD#TRPBF Especificaciones
| Product Type | IO-Link transceiver with integrated step-down regulator and LDO |
| Transceiver Configuration | Single transmitter / single receiver |
| Supply Type | Industrial IO-Link interface |
| Encapsulado | 28-pin QFN exposed-pad package, 4 mm x 5 mm |
| Tipo de montaje | Surface mount |
| Integrated Power Functions | Step-down switching regulator and low-dropout linear regulator |
| Wake-Up Detect | Supported |
| Power-On Reset | Programmable timer |
| Transmitter Current Limit | Externally adjustable |
| Transmitter Slew Rate | Externally adjustable |
| Interface Category | IO-Link industrial transceiver |
| Manufacturer | Analog Devices |
| Product Family | LT3669 |
| Package Family | QFN exposed-pad family |
| Estado RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
Guía de configuración de pines de LT3669IUFD#TRPBF qfn exposed-pad family
Configuración de pines para LT3669IUFD#TRPBF (encapsulado qfn exposed-pad family). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para LT3669IUFD#TRPBF.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
LT3669IUFD#TRPBF es adecuado para 6 aplicacións: Industrial Proximity Sensors, Factory Automation Actuators, Process and Environment Monitoring, IO-Link Sensor Interface Modules, Industrial Control Sensor Nodes, Compact Industrial Sensor Controllers.
Industrial Proximity Sensors
The LT3669IUFD#TRPBF fits IO-Link proximity and inductive-style sensor modules because it combines a single-transmitter, single-receiver interface with local power-regulation functions. Wake-up detection can help coordinate sensor activation, while the programmable power-on reset timer allows startup to be delayed according to the application circuit. The 28-QFN exposed-pad package keeps the assembly compact for small industrial sensor housings. Designers should place the interface and protection components according to the official Analog Devices land pattern and verify the cable-length, current, and timing limits in the datasheet.
Recomendado
Factory Automation Actuators
For actuator modules that need both a wired IO-Link communication path and regulated local power, the LT3669IUFD#TRPBF consolidates an industrial transceiver, step-down regulator, and LDO in one device. The externally adjustable transmitter current limit and slew rate provide implementation variables for matching the physical layer to the connected cable and protection network. Its compact 28-QFN exposed-pad package is useful where actuator electronics share limited board area. Confirm voltage limits, regulator output settings, and thermal requirements in the manufacturer datasheet before fixing the external component values.
Recomendado
Process and Environment Monitoring
The LT3669IUFD#TRPBF is suitable for remote process-monitoring equipment that uses IO-Link communication and requires local power management in a compact assembly. Wake-up detect functionality can support periodic sensor interrogation, while the programmable power-on reset timer helps control initialization after power restoration. The integrated regulator sections may reduce the need for separate local power components, but external filtering, decoupling, and protection remain application-specific. Use the official datasheet’s recommended circuit and layout rather than assuming that adjacent industrial devices can share the same supply network.
Recomendado
IO-Link Sensor Interface Modules
The LT3669IUFD#TRPBF directly addresses compact IO-Link sensor interface modules by combining the communications transceiver with step-down and LDO functions. This can simplify the power architecture when the sensor requires both communication and regulated auxiliary power. The device’s single-transmitter, single-receiver arrangement matches point-to-point industrial sensor links, while adjustable transmitter current limit and slew rate allow board-level tuning. Before release, verify the cable and connector protection scheme, startup timing, and all regulator limits against the official Analog Devices datasheet.
Recomendado
Industrial Control Sensor Nodes
In distributed sensor nodes, the LT3669IUFD#TRPBF provides a dedicated IO-Link physical interface plus integrated regulator functions, helping constrain board size and component count. The wake-up detector can be used when a node needs controlled wake behavior, and the power-on reset timer provides a programmable startup delay for downstream circuitry. The compact 28-QFN exposed-pad package still requires careful thermal and electrical layout, especially when the step-down regulator operates near its verified limits. Obtain the missing current, voltage, temperature, and timing values from the manufacturer datasheet.
Recomendado
Compact Industrial Sensor Controllers
The LT3669IUFD#TRPBF is appropriate for compact controllers that must communicate over IO-Link and provide local regulated power without relying on multiple separate power ICs. Its integrated step-down switching regulator and LDO create a single multifunction device, while programmable reset timing helps coordinate downstream logic startup. The 4 mm by 5 mm QFN exposed-pad package supports space-constrained designs but requires a land pattern and thermal path designed exactly to the datasheet recommendation. Do not finalize external components until the complete electrical limits are verified.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para LT3669IUFD#TRPBF — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | LT3669EUFD#TRPBF | LT3669IUFD#PBF | LT3669IUFD-2#TRPBF | LT3669IUFD-2#PBF | LT3669HUFD-2#TRPBF |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 28-QFN exposed-pad package (4x5 mm) | 28-QFN exposed-pad package (4x5 mm) | 28-QFN exposed-pad package (4x5 mm) | 28-QFN exposed-pad package (4x5 mm) | 28-QFN exposed-pad package (4x5 mm) | 28-QFN exposed-pad package (4x5 mm) |
| Interface Type | IO-Link transceiver | IO-Link transceiver | IO-Link transceiver | IO-Link transceiver | IO-Link transceiver | IO-Link transceiver |
| Transceiver Configuration | Single transmitter / single receiver | Single transmitter / single receiver | Single transmitter / single receiver | Single transmitter / single receiver | Single transmitter / single receiver | Single transmitter / single receiver |
| Integrated Power Functions | Step-down switching regulator and LDO | Step-down switching regulator and LDO | Step-down switching regulator and LDO | Step-down switching regulator and LDO | Step-down switching regulator and LDO | Step-down switching regulator and LDO |
| Wake-Up Detection | Supported | Supported | Supported | Supported | Supported | Supported |
| Power-On Reset | Programmable timer | Programmable timer | Programmable timer | Programmable timer | Programmable timer | Programmable timer |
Diferenciadores clave
- Integrated communications and local power functions (frente a LT3669IUFD-2#TRPBF)
- Compact 28-QFN exposed-pad integration (frente a LT3669EUFD#TRPBF)
- Startup and wake behavior integrated into the interface IC (frente a LT3669IUFD#PBF)
Notas de diseño
Use the exact 28-QFN exposed-pad land pattern and pin numbering from the official Analog Devices datasheet. Keep the IO-Link interface traces short, place the required protection and filter components at the connector or sensor boundary, and route the exposed pad to the prescribed thermal copper. Do not substitute a generic QFN footprint without checking the exposed-pad dimensions and paste mask.
The LT3669 combines a step-down switching regulator and an LDO, so its power architecture must be designed as a complete system rather than as an IO-Link-only transceiver. Verify the input range, regulator output limits, current capability, efficiency, and external capacitor requirements in the manufacturer datasheet. Check startup sequencing and the programmed power-on reset behavior before connecting loads that may not tolerate an uncontrolled ramp.
Do not assume that every LT3669 suffix is electrically identical. The supplied results identify related LT3669, LT3669-2, package, and ordering variants, but do not provide a complete comparison table. Before substituting a related MPN, compare pin names, exposed-pad treatment, temperature grade, regulator settings, timing, and interface limits against the official ordering information and datasheet.
The QFN exposed pad provides the primary thermal path, but its effectiveness depends on PCB copper, thermal vias, enclosure airflow, and the actual regulator dissipation. The supplied data does not include verified thermal resistance or power-dissipation figures. Use the manufacturer thermal information and calculate worst-case dissipation from the final input voltage, output voltage, load current, and efficiency before defining the copper area or via pattern.
Información de cumplimiento
Compliance status was not explicitly provided in the verified web snippets. Do not infer RoHS, REACH, automotive qualification, lead-free, halogen-free, or conflict-minerals status from the package or manufacturer identity.
