LT4275AHDD#TRPBF

$6.09

Description：IC POE CNTRL 1 CHANNEL 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f64237a3570e Category: Power Over Ethernet (PoE) Controllers Brand: Analog Devices Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 1 CHANNEL 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Controller (PD)
Number of Channels：1
Power - Max：90 W
Internal Switch(s)：No
Auxiliary Sense：Yes
Standards：802.3at (PoE+), 802.3af (PoE), LTPoE++
Voltage - Supply：23V ~ 60V
Current - Supply：2mA (Max)
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)

Download product information

LT4275AHDD#TRPBF

Overview

The LT4275AHDD#TRPBF is a Powered Device (PD) controller supporting LTPoE++, IEEE 802.3at, and IEEE 802.3af standards. It operates within a supply voltage range of 23V to 60V with a maximum output power capability of 90W. The device functions in an extended temperature range from -40°C to +125°C and utilizes a 10-lead MSOP package. It features a low operating current of 2mA and includes integrated signature resistance.

Feature Summary

Supports proprietary LTPoE++ classification for high-power delivery alongside standard PoE+ and PoE protocols
Integrates a charge pump to drive external N-channel MOSFETs, eliminating the need for P-channel alternatives
Includes onboard signature resistance and programmable auxiliary power support via the AUX pin
Provides thermal protection and undervoltage lockout mechanisms for system reliability

Applications

High-power wireless data systems
Outdoor security camera equipment
Commercial and public information displays
High-temperature industrial applications

Procurement Notes

Verify the specific suffix DD against official Analog Devices documentation to confirm the MSOP package type and tape-and-reel packaging format. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the part number with the manufacturer's latest datasheet to confirm availability status and any potential production changes or notices affecting this specific revision.

Selection Notes

Select this controller when designing Powered Devices requiring up to 90W via LTPoE++ or standard PoE+ interfaces. It is suitable for applications needing wide input voltage tolerance and operation in extreme temperatures. Consider the external MOSFET requirement for optimal efficiency and thermal management compared to internal switch solutions.

Part Context

This component belongs to the LT4275 family of pin-compatible PD controllers. Variants include LT4275A for high-power LTPoE++, LT4275B for PoE+, and LT4275C for PoE. The AHDD suffix indicates the specific grade, package, and reel configuration within this series.