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LT4321 Datasheet PoE Ideal Diode Bridge Controller

Manufacturer: Linear Technology (now Analog Devices)

General Description

The LT®4321 is a dual ideal diode bridge controller that enables a Power over Ethernet (PoE) powered device (PD) to receive power in either voltage polarity from RJ-45 data pairs, spare pairs, or both.

The LT4321 and eight N-channel MOSFETs replace the eight diodes in a passive PoE rectifier bridge.

The LT4321 eases thermal design and increases delivered power.

Overview

LT4321 PoE Ideal Diode Bridge Controller.

Key Features

  • n n n n.