LTC4278IDKD#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC4278IDKD#PBF

Manufacturer

Analog Devices

Introduction

LTC4278 is a Power over Ethernet (PoE) controller IC that integrates power device controller and DC/DC converter functionality for PoE applications.

Product Features and Performance

PoE Controller (PD) and Integrated DC/DC Converter

Single Channel PoE interface support

Power output up to 25.5W

Compliant with IEEE 802.3at (PoE+) and 802.3af (PoE) standards

Internal Switch for simplified design

Auxiliary Sense for enhanced regulation accuracy

Wide supply voltage range from 37.2V to 60V

Low current consumption with a maximum of 1.35mA

Robust operation at industrial temperature range from -40°C to 85°C

Product Advantages

Integration reduces external component count and system complexity

Supports a wide range of PoE applications due to compliance with both PoE+ and PoE standards

High power capability suitable for more demanding applications

Efficient power management for reduced thermal load

High reliability and long operational life

Key Technical Parameters

Number of Channels: 1

Power Max: 25.5 W

Voltage Supply: 37.2V to 60V

Current Supply: 1.35mA (Max)

Operating Temperature: -40°C to 85°C

Package / Case: 32-WFDFN Exposed Pad

Quality and Safety Features

Rigorous testing and quality assurance conforming to Analog Devices' standards

Built-in thermal protection features

Integrated fault protection circuits

Compatibility

Compliant with standard PoE and PoE+ networks

Works with a variety of PD powered devices

Application Areas

Network Cameras

Wireless Access Points

VoIP Phones

Remote Computer Terminals

Product Lifecycle

Product Status: Active

No known discontinuation date, ensuring long term availability

Upgrade paths available as new PoE standards emerge

Several Key Reasons to Choose This Product

Single-chip solution for simple and compact PoE powered device designs

High efficiency and reliability for critical networked systems

Suitable for a wide array of applications due to compliance with latest PoE standards

Easy integration into existing PoE infrastructure without additional components

Extended temperature range ensures performance in harsh environments