LT3669IUFD#TRPBF - IO-Link Transceiver with Buck/LDO
Teilenummer: LT3669IUFD#TRPBF ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 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 Übersicht
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.
Drop-in-Alternativen für LT3669IUFD#TRPBF – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit LT3669IUFD#TRPBF (gleiche Bauform und Footprint) – abweichend in Package, Wake-Up Detect, Transceiver Configuration, Product Type, Integrated Power Functions.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
Für dieses Produkt sind keine Drop-in-Alternativen verfügbar.
Alternativen anfordernLT3669IUFD#TRPBF Technische Daten
| Product Type | IO-Link transceiver with integrated step-down regulator and LDO |
| Transceiver Configuration | Single transmitter / single receiver |
| Supply Type | Industrial IO-Link interface |
| Gehäuse | 28-pin QFN exposed-pad package, 4 mm x 5 mm |
| Montageart | 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 |
| RoHS-Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
LT3669IUFD#TRPBF qfn exposed-pad family Pinbelegungsleitfaden
Pinbelegung für LT3669IUFD#TRPBF (qfn exposed-pad family-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für LT3669IUFD#TRPBF.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
LT3669IUFD#TRPBF ist geeignet für 6 Anwendungs: 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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für LT3669IUFD#TRPBF – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | 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 |
Wichtigste Unterscheidungsmerkmale
- Integrated communications and local power functions (vs. LT3669IUFD-2#TRPBF)
- Compact 28-QFN exposed-pad integration (vs. LT3669EUFD#TRPBF)
- Startup and wake behavior integrated into the interface IC (vs. LT3669IUFD#PBF)
Designhinweise
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.
Compliance-Informationen
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.
