LT3669HUFD#TRPBF - Integrated IO-Link Power | Analog Devices
MPN: LT3669HUFD#TRPBF ✓ פעילLT3669HUFD#TRPBF סקירה
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.
חלופות תחליף ישיר עבור LT3669HUFD#TRPBF — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם LT3669HUFD#TRPBF (אותו גורם צורה וטביעת רגל) — שונים ב Package, Wake-Up Detect, Product Type, Power-On Reset, Product Status.
LT3669HUFD-2#TRPBF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←LT3669HUFD#PBF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←LT3669HUFD-2#PBF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←LT3669EUFD-2#PBF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←LT3669EUFD#TRPBF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←LT3669HUFD#TRPBF מפרטים
| 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 |
| מארז | 28-pin QFN with exposed pad, 4 mm x 5 mm |
| Package Family | QFN surface-mount package |
| סוג הרכבה | 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 |
מדריך תצורת פינים של LT3669HUFD#TRPBF qfn surface-mount package
תצורת פינים עבור LT3669HUFD#TRPBF (מארזת qfn surface-mount package). מספרי פינים, פונקציות ותרשימי חיבורים מוגדרים ב-Datasheet של היצרן. יש לעיין בו לקבלת ה-footprint המדויק והנחיות הלחמה.
אין נתוני פריסת פינים מפורטים עבור LT3669HUFD#TRPBF.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
LT3669HUFD#TRPBF מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור LT3669HUFD#TRPBF — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Integrated IO-Link power management (לעומתLT3669HUFD#PBF)
- New-design family recommendation (לעומתLT3669HUFD#TRPBF)
- Compact integrated solution (לעומתLT3669EUFD-2#PBF)
הערות תכנון
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.
מידע על תאימות
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.
