LT4321IUF#PBF - Analog Devices Inc.

Manufacturer Part Number

LT4321IUF#PBF

Manufacturer

Analog Devices

Introduction

Power management integrated circuit (PMIC) designed for Power Over Ethernet (PoE) applications featuring ideal diode bridge controller.

Product Features and Performance

Ideal diode bridge controller

Operates with a wide voltage supply range (20V ~ 80V)

Designed for low power consumption with only 32 µA supply current

Supports N-Channel MOSFETs

Eliminates the need for large heat sinks due to lower power dissipation

Surface mount, 16-WQFN Exposed Pad for compact footprint

Product Advantages

Efficient power usage and reduced heat generation

Extended operating temperature range suitable for industrial environments

Improves system reliability by reducing the number of components

Frees up PCB space due to compact design

Key Technical Parameters

FET Type: N-Channel

Ratio - Input:Output: Bridge (2)

Current - Supply: 32 µA

Voltage - Supply: 20V ~ 80V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-WQFN Exposed Pad

Supplier Device Package: 16-QFN (4x4)

Quality and Safety Features

Built to operate reliably in extreme temperature conditions

Adherence to stringent quality standards of Analog Devices

Compatibility

Designed to be compatible with a wide range of PoE applications and N-Channel MOSFETs

Application Areas

Recommended for Power Over Ethernet (PoE) applications in industrial and telecom systems

Product Lifecycle

Active product status indicates ongoing manufacture and availability

Long-term support with no immediate discontinuation expected

Several Key Reasons to Choose This Product

Wide input voltage range accommodates various PoE standards and custom applications

Low quiescent current enhances overall system efficiency, especially beneficial in PoE

High-temperature operation range makes it suitable for harsh environments

The efficiency of the ideal diode controller minimizes the need for cooling solutions

Ease of integration with standard surface mount processes

Analog Devices' reputation for reliability and performance in power management solutions