Analog Devices

LT3669HUFD#TRPBF - Integrated IO-Link Power | Analog Devices

Teilenummer: LT3669HUFD#TRPBF ✓ Aktiv
Auf Lager Versand in 1–3 Werktagen
Externally adjustable Id 28-pin QFN with exposed pad, 4 mm x 5 mm Package
Ab $2.9079 USD / Stück
MOQ: 1 |
Preis aktualisiert: 2026-10-22
Mengenpreise
Menge Stückpreis Gesamt
1 $2.9079 $2,91
10 $2.9079 $29,08
100 $2.9079 $290,79
500 $2.9079 $1.453,95
1.000 $2.9079 $2.907,90
3.000 $2.9079 $8.723,70
ℹ️ Alle Preise sind in USD

LT3669HUFD#TRPBF Übersicht

The Analog Devices LT3669HUFD#TRPBF is a single-channel industrial IO-Link transceiver with an integrated step-down switching regulator and low-dropout linear regulator, housed in a 28-pin QFN package with an exposed pad. The verified product data identifies a 4 mm by 5 mm package, while detailed operating, current, voltage, timing, and pin-function values were not included in the supplied records and must be confirmed in the manufacturer datasheet.

An IO-Link transceiver is a specialized industrial interface that combines a physical-layer data channel with sensor or actuator support circuitry. This device additionally manages local power requirements, making it useful when an IO-Link node needs both communications and regulated power without using separate power-conversion stages. In system terms, it belongs to the interface-IC hierarchy while also incorporating DC-DC converter and linear-regulator functions.

The LT3669 family is described by Analog Devices as an industrial transceiver with an integrated step-down regulator, LDO, wake-up detection, and a programmable power-on reset timer. The transmitter current limit and slew rate are externally adjustable, allowing the designer to tune output behavior for the connected IO-Link master, cable, load, and application timing. These functional details distinguish it from a basic digital line-driver or receiver.

The LT3669 family is available in LT3669 and LT3669-2 versions, with LT3669-2 identified by the manufacturer as recommended for new designs. The supplied distributor record confirms that the target is supplied in a 28-QFN 4 mm by 5 mm surface-mount package. The exposed thermal pad should be connected according to the datasheet land pattern and thermal recommendations rather than treated as an unused pin.

Typical uses include industrial IO-Link sensor interfaces, factory automation nodes, proximity and light-sensor links, actuator connections, and compact industrial control modules. The integrated regulators can simplify power partitioning, while the transceiver supports communication between a master and an IO-Link-compatible peripheral. Actual operating limits and timing must be checked against the complete datasheet before design release.

For robust implementation, preserve the recommended input and output capacitors, follow the exposed-pad land pattern, validate adjustable current-limit and slew-rate settings, and check reset or wake-up timing against the system power sequence. This page combines verified manufacturer and distributor information with explicit data-gap markers rather than estimating electrical performance.

This page consolidates verified sourcing, package information, lifecycle guidance, application context, and replacement guidance that are not consolidated in a raw distributor listing. LT3669 family options are distinguished carefully, while unverified competitor equivalents are excluded.

Drop-in-Alternativen für LT3669HUFD#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 LT3669HUFD#TRPBF (gleiche Bauform und Footprint) – abweichend in Package, Wake-Up Detect, Product Type, Power-On Reset, Product Status.

Analog Devices
Package: 28-QFN (4 mm x 5 mm)
Wake-Up Detect: Supported
Power-On Reset: Programmable power-on reset timer
Vergleichen mit LT3669HUFD#TRPBF →
Analog Devices
Package: 28-pin QFN, 4 mm x 5 mm
Product Status: LT3669/LT3669-2 recommended for new designs
Vergleichen mit LT3669HUFD#TRPBF →
Analog Devices
Package: 28-pin QFN, 4 mm × 5 mm, exposed pad
Wake-Up Detect: Integrated
Power-On Reset: Programmable timer
Vergleichen mit LT3669HUFD#TRPBF →
Analog Devices
Package: 28-lead plastic QFN
Wake-Up Detect: Included
Product Type: Industrial IO-Link transceiver
Vergleichen mit LT3669HUFD#TRPBF →
Analog Devices
Package: 28-QFN (4 mm x 5 mm)
Wake-Up Detect: Supported
Vergleichen mit LT3669HUFD#TRPBF →

Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:

LT3669HUFD-2#TRPBF

✅ Drop-In
Analog Devices
📦 28-QFN (4x5)
IO-Link transceiver with integrated step-down regulator and LDO · 1/1 single transceiver · 28-QFN (4 mm x 5 mm) · Surface mount · Step-down switching regulator with integrated LDO · Up to 300 mA · Up to 100 mA · External catch diode required

✓ Auf Lager

$5.38 / Stück

Datenblatt ansehen →

LT3669HUFD#PBF

✅ Drop-In
Analog Devices
📦 28-QFN (4x5)
IO-Link transceiver with integrated step-down regulator and LDO · 1 transmitter and 1 receiver · COM1, COM2, and COM3 compatible · 7.5 V to 40 V · ±60 V · 16 V · 150 mA · Integrated

✓ Auf Lager

$3.8294 / Stück

Datenblatt ansehen →

LT3669HUFD-2#PBF

✅ Drop-In
Analog Devices
📦 28-QFN (4x5)
Industrial IO-Link transceiver · Analog Devices · LT3669/LT3669-2 · Step-down switching regulator and low-dropout linear regulator · 7.5 V to 40 V · Up to 300 mA · Up to 100 mA · External catch diode required

✓ Auf Lager

$5.38 / Stück

Datenblatt ansehen →

LT3669EUFD-2#PBF

✅ Drop-In
Analog Devices
📦 28-QFN (4x5)
IO-Link transceiver with integrated step-down regulator and LDO · IO-Link · 1 transmitter · 1 receiver · 7.5 V to 40 V · Up to 300 mA · External catch diode required for LT3669-2 · -40 °C to +125 °C

✓ Auf Lager

$5.38 / Stück

Datenblatt ansehen →

LT3669EUFD#TRPBF

✅ Drop-In
Analog Devices
📦 28-QFN (4x5)
IO-Link transceiver with integrated step-down regulator and LDO · Analog Devices · 1/1 transceiver · 28-QFN (4 mm x 5 mm) · 28-pin QFN with exposed pad · Surface mount · TRPBF tape-and-reel packaging · Step-down switching regulator and low-dropout regulator

✓ Auf Lager

$5.38 / Stück

Datenblatt ansehen →

LT3669HUFD#TRPBF Technische Daten

Product Type IO-Link transceiver with integrated step-down regulator and LDO
Channel Configuration Single transmitter/receiver
Application Domain Industrial IO-Link
Step-Down Regulator Integrated
Low-Dropout Regulator Integrated
Wake-Up Detection Supported
Power-On Reset Timer Programmable
Transmitter Current Limit Externally adjustable
Transmitter Slew Rate Externally adjustable
Gehäuse 28-pin QFN with exposed pad, 4 mm x 5 mm
Package Family QFN surface-mount package
Montageart Surface mount
Shipping Form Tape and reel
Product Status LT3669-2 recommended for new designs
LCSC Listed Price From $2.9079 as of 2026-10-23
Manufacturer 1ku List Price Starting from $5.38 for LT3669 family as of 2026-10-23

LT3669HUFD#TRPBF qfn surface-mount package Pinbelegungsleitfaden

Pinbelegung für LT3669HUFD#TRPBF (qfn surface-mount package-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.

Pinbelegungsdiagramm für LT3669HUFD#TRPBF im qfn surface-mount package-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für LT3669HUFD#TRPBF.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

LT3669HUFD#TRPBF ist geeignet für 6 Anwendungs: Industrial IO-Link Sensor Interface, Factory Automation Sensor Node, Proximity and Light Sensor Link, Industrial Actuator Interface, Compact Industrial Control Module, IO-Link Master Peripheral Test Setup.

🏭

Industrial IO-Link Sensor Interface

The LT3669HUFD#TRPBF fits an IO-Link sensor node because it combines a dedicated transceiver channel with integrated step-down and linear regulation. A factory sensor can use the regulated supply while communicating over the IO-Link physical channel, reducing the need for separate support circuitry. The externally adjustable transmitter current limit and slew rate allow board-level tuning after cable, load, and master-interface conditions are known. The 28-QFN 4 mm by 5 mm package also supports compact industrial sensor electronics, although exact voltage, current, timing, and temperature limits must be taken from the complete Analog Devices datasheet before release.

🏭

Factory Automation Sensor Node

For factory automation, the LT3669HUFD#TRPBF can serve as the local interface and power-management centerpiece in a compact sensor node. Its integrated step-down regulator and LDO are useful when the node needs more than one controlled supply from an industrial input, while wake-up detection helps the system recognize activity on the connected line. The QFN exposed-pad package requires careful thermal and layout design, especially when placed beside processors, isolated interfaces, or high-current actuators. Validate the regulator operating ranges and reset timing against the complete manufacturer documentation before selecting component values.

🧩

Proximity and Light Sensor Link

The LT3669HUFD#TRPBF is appropriate for a compact proximity or light-sensor interface where an IO-Link master supplies a standardized digital communication path. The transceiver supports the physical communication function, while the integrated regulators provide local power-management infrastructure without requiring an entirely separate regulator block. Adjustable transmitter current limit and slew rate are valuable when the sensor is connected through long industrial wiring, because the designer can tune the output behavior after considering the cable and master termination. Confirm the sensor's voltage requirements and the device's absolute maximum ratings in the datasheet before implementation.

⚡

Industrial Actuator Interface

The LT3669HUFD#TRPBF can be used in an industrial actuator module that needs an IO-Link command and status channel plus regulated local power. The integrated step-down regulator is suited to supplying lower-voltage electronics, while the LDO can support sensitive loads where supply-noise behavior matters; however, the actual topology, current capability, and output settings must be verified from the manufacturer datasheet. The externally adjustable transmitter current limit and slew rate help engineers manage the physical-layer behavior for the selected cable and actuator electronics. Use the QFN exposed pad and recommended layout to maintain thermal performance.

🔧

Compact Industrial Control Module

In a compact industrial control module, the LT3669HUFD#TRPBF combines an IO-Link interface with local power conversion and a programmable power-on reset timer. This combination can simplify sequencing between an industrial input, communications circuitry, and downstream control logic. Wake-up detection provides a useful system-level indication when the connected IO-Link line is active. Because the verified records do not provide complete input-voltage, output-current, or timing tables, engineers should use the official family datasheet to select capacitors, set reset timing, and confirm that the 28-QFN 4 mm by 5 mm footprint matches the PCB land pattern.

🧪

IO-Link Master Peripheral Test Setup

The LT3669HUFD#TRPBF can also be used in an IO-Link peripheral test fixture or sensor-interface evaluation board. Its integrated power-management functions make it convenient to exercise a transceiver and its downstream circuitry from one board-level solution, while the 28-QFN package supports compact test hardware. The programmable power-on reset timer and wake-up detection can help characterize startup and line-activity behavior during bring-up. Use the exposed-pad land pattern and keep test instrumentation connections away from sensitive signal nodes. Exact timing values and operating limits are not present in the supplied distributor snippets and must be verified before test-equipment design.

What is the LT3669HUFD#TRPBF?
The LT3669HUFD#TRPBF is an Analog Devices single-channel industrial IO-Link transceiver with an integrated step-down switching regulator and low-dropout regulator. According to the manufacturer page, the LT3669 family also includes wake-up detection and a programmable power-on reset timer, while the distributor record identifies a 28-QFN package measuring 4 mm by 5 mm.
What are the key specifications of LT3669HUFD#TRPBF that engineers should know?
The LT3669HUFD#TRPBF combines one IO-Link transceiver channel, an integrated step-down regulator, and an integrated LDO in a 28-QFN 4 mm by 5 mm package. Analog Devices also identifies externally adjustable transmitter current limit and slew rate, wake-up detection, and a programmable power-on reset timer as important functions. Exact voltage, current, timing, and temperature limits require the complete manufacturer datasheet.
Where can I download the LT3669HUFD#TRPBF datasheet PDF?
The LT3669HUFD#TRPBF datasheet is available from the Analog Devices technical-document URL supplied with this record. The document is titled for the LT3669 and LT3669-2 family and covers the IO-Link transceiver, integrated step-down regulator, LDO, wake-up detection, power-on reset timer, and adjustable transmitter functions.
Where can I find the LT3669HUFD#TRPBF pinout?
The LT3669HUFD#TRPBF pinout must be taken from the Analog Devices LT3669/LT3669-2 manufacturer datasheet because the supplied distributor snippets do not reproduce all 28 pin assignments. The device uses a 28-QFN 4 mm by 5 mm package with an exposed pad, so the land pattern and exposed-pad connection are essential to a correct layout.
Where can I buy LT3669HUFD#TRPBF online?
The LT3669HUFD#TRPBF can be found through the supplied DigiKey and Mouser product listings and through LCSC, which shows the part as in stock. Pricing and inventory change by quantity and date; the only verified numeric price supplied is LCSC's $2.9079 starting price as of 2026-10-23.
What is the price of LT3669HUFD#TRPBF?
The verified LT3669HUFD#TRPBF price shown by LCSC is $2.9079 as of 2026-10-23. Analog Devices separately lists LT3669 family pricing starting from $5.38 for 1,000 units, while DigiKey and Mouser expose product and pricing pages without a numeric price in the supplied snippets.
Is LT3669HUFD#TRPBF in stock and what is the lead time?
LCSC identifies LT3669HUFD#TRPBF as in stock in the supplied result, but a numeric manufacturer lead time is not provided. DigiKey also says the part can be bought and ships today for its listed ordering context, although the exact target-variant and quantity should be confirmed before procurement.
What can replace LT3669HUFD#TRPBF?
LT3669HUFD-2#TRPBF is the closest identified same-family option, using the same 28-QFN 4 mm by 5 mm format and the same IO-Link, regulator, LDO, wake-up, and reset feature set. However, the LT3669-2 family member is recommended for new designs, and its exact ordering suffix differs from the non-2 target; verify pin, timing, and firmware requirements before substitution.
Can LT3669HUFD-2#TRPBF replace LT3669HUFD#TRPBF drop-in?
LT3669HUFD-2#TRPBF is a same-family 28-QFN 4 mm by 5 mm candidate, but the supplied evidence does not establish a 100% pin-to-pin replacement. Treat it as a migration candidate requiring datasheet comparison of pin functions, electrical limits, timing, and IO-Link behavior rather than assuming drop-in compatibility without engineering review.
When should I choose LT3669HUFD#TRPBF over LT3669HUFD-2#TRPBF?
Choose LT3669HUFD#TRPBF when an existing design specifically requires the original LT3669 variant and its validated behavior. Choose the LT3669-2 family when starting a new design because Analog Devices identifies LT3669-2 as recommended for new designs. The final choice requires checking the manufacturer data tables and product documentation for parameter differences.
Is LT3669HUFD#TRPBF suitable for industrial sensors and actuators?
Yes, LT3669HUFD#TRPBF is intended for industrial IO-Link applications, where a sensor or actuator connects to an IO-Link master. Its integrated transceiver, power-conversion functions, wake-up detection, and programmable power-on reset timer reduce the number of separate support blocks, but cable length, load, protection, and device-level operating limits must be verified.
How does LT3669HUFD#TRPBF differ from a basic IO-Link transceiver?
The LT3669HUFD#TRPBF is not limited to signal transmission: it also integrates a step-down switching regulator and an LDO. Wake-up detection and a programmable power-on reset timer add node-management functions, while externally adjustable transmitter current limit and slew rate provide tuning options for the connected system.
What design details matter for an LT3669HUFD#TRPBF PCB layout?
The LT3669HUFD#TRPBF layout must follow the Analog Devices land pattern for the 28-QFN 4 mm by 5 mm package and provide a properly connected exposed pad. Place the required regulator and transceiver support components close to their pins, preserve the recommended current paths, and validate signal integrity and thermal spreading on the finished board.
What are the power and thermal considerations for LT3669HUFD#TRPBF?
The LT3669HUFD#TRPBF combines a switching regulator, an LDO, and transceiver circuitry, so power-conversion efficiency, copper area, exposed-pad thermal performance, and local temperature rise must be evaluated together. Exact dissipation and maximum ratings were not supplied in the verified snippets, so they must be taken from the manufacturer datasheet rather than estimated.
What compliance information is available for LT3669HUFD#TRPBF?
The supplied product records do not state the target part's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Treat those fields as unknown until confirmed in the official product documentation or a current manufacturer compliance statement. The package and electrical specifications should not be used to infer regulatory qualification.

Technische Referenzdaten für LT3669HUFD#TRPBF – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose LT3669HUFD#TRPBF when maintaining an existing design requires the original LT3669 ordering variant. For a new IO-Link design, first evaluate LT3669HUFD-2#TRPBF because Analog Devices identifies the LT3669-2 family as recommended for new designs, then compare the pinout, timing, regulator settings, and lifecycle requirements in the official datasheet. LT3669HUFD#PBF and LT3669HUFD-2#PBF can be relevant when the assembly process requires tube rather than tape-and-reel ordering, but packaging form is not an electrical substitute by itself. Do not select a competitor replacement from the supplied data: no cross-brand pin-compatible equivalent was verified. Treat LT3669EUFD variants as candidates only after complete electrical and pin-level review.

Vergleich mit Alternativen

Parameter Dieses Produkt LT3669HUFD-2#TRPBF LT3669HUFD#PBF LT3669HUFD-2#PBF LT3669EUFD-2#PBF LT3669EUFD#TRPBF
Brand Analog Devices Analog Devices Analog Devices Analog Devices Analog Devices Analog Devices
Package 28-QFN (4x5) 28-QFN (4x5) 28-QFN (4x5) 28-QFN (4x5) 28-QFN (4x5) 28-QFN (4x5)
Product Type IO-Link transceiver with integrated step-down regulator and LDO IO-Link transceiver with integrated step-down regulator and LDO IO-Link transceiver with integrated step-down regulator and LDO IO-Link transceiver with integrated step-down regulator and LDO LT3669-2 IO-Link transceiver family option LT3669 IO-Link transceiver family option
Step-Down Regulator Integrated Integrated Integrated Integrated Integrated according to family description Integrated according to family description
LDO Integrated Integrated Integrated Integrated Integrated according to family description Integrated according to family description
Ordering Form Tape and reel Tape and reel Tube Tube Tube Tape and reel

Wichtigste Unterscheidungsmerkmale

  • Integrated IO-Link power management (vs. LT3669HUFD#PBF)
  • New-design family recommendation (vs. LT3669HUFD#TRPBF)
  • Compact integrated solution (vs. LT3669EUFD-2#PBF)

Designhinweise

Treat the step-down regulator and LDO as separate design domains inside one package. Follow the manufacturer input, output, capacitor, and compensation recommendations rather than estimating values from the distributor description. Verify the available input range, regulator current capability, output-voltage settings, startup behavior, and load-transient requirements against the complete LT3669/LT3669-2 datasheet before laying out the power section.

Use the official 28-QFN 4 mm by 5 mm land pattern and connect the exposed pad according to the manufacturer layout guidance. Keep high-current paths compact and use adequate copper around the power pins and thermal pad. Place decoupling capacitors close to the relevant supply pins, preserve the recommended via arrangement, and check the assembled board for solder wicking and exposed-pad voids.

Do not assume that an ordering suffix change is electrically neutral without checking the ordering table. LT3669 and LT3669-2 are distinct family options, and the verified sources specifically identify LT3669-2 as recommended for new designs. Confirm pin assignments, timing, regulator settings, and IO-Link behavior before replacing an existing LT3669 design.

The transmitter current limit and slew rate are externally adjustable, which makes board-level characterization important for the selected cable and master. Start with the manufacturer-recommended values, then validate rise time, signal amplitude, emissions, and wake-up behavior using the target IO-Link master and representative wiring. Do not tune these parameters without checking the electrical limits and the intended system timing.

Compliance-Informationen

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Bleifrei
Unknown
Halogenfrei
Unknown
Konfliktmineralien
Unknown

The supplied verified records do not state compliance status for the target. AEC-Q100 is marked not_applicable because no automotive qualification is stated, not because the part is certified for automotive use.

Daten verifiziert am: 2026-10-23 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

Ähnliche Suchanfragen

LT3669HUFD#TRPBF LT3669HUFD#TRPBF datasheet Analog Devices LT3669HUFD#TRPBF LT3669 IO-Link transceiver integrated step-down regulator LDO 28-QFN 4x5 IO-Link transceiver LT3669 industrial sensor interface LT3669HUFD#TRPBF vs LT3669HUFD-2#TRPBF LT3669HUFD#TRPBF drop-in replacement buy LT3669HUFD#TRPBF price LT3669HUFD#TRPBF lead time and stock LT3669 wake-up detection power-on reset timer LT3669 IO-Link actuator interface what replaces LT3669HUFD#TRPBF LT3669 exposed pad PCB layout LT3669 transmitter current limit slew rate

Verwandte Bauteile & Begriffe

Analog Devices LT3669HUFD#TRPBF LT3669HUFD-2#TRPBF LT3669 LT3669-2 IO-Link industrial transceiver interface IC semiconductor step-down switching regulator DC-DC converter low-dropout regulator LDO wake-up detection programmable power-on reset timer transmitter current limit transmitter slew rate 28-QFN QFN package surface-mount technology exposed pad factory automation industrial sensor industrial actuator Analog Devices datasheet
Schnellangebot-RFQ
Geben Sie alle Details an – unser Vertriebsteam antwortet innerhalb von 24 Stunden
Teilenummer Hersteller Gehäuse QTY Zielpreis Gesamt
Gesamt: $0.00 USD
✓
Angebotsanfrage gesendet!

Wir antworten innerhalb von 24 Stunden auf Ihre E-Mail

1
RFQ gesendet
2
Angebot erhalten
3
Bestellung aufgegeben
4
Zahlung
5
Versandt
6
Geliefert
RFQ-Details ansehen