LTC4278CDKD - Linear Technology

Manufacturer Part Number

LTC4278CDKD

Manufacturer

analog-devices

Introduction

The LTC4278CDKD is a Power Over Ethernet (PoE) controller from Analog Devices. It is designed to provide power and data transmission over Ethernet cables, enabling the implementation of various PoE-enabled devices such as IP phones, wireless access points, security cameras, and other network equipment.

Product Features and Performance

Supports both IEEE 802.3af (PoE) and 802.3at (PoE+) standards

Capable of delivering up to 25.5W of power

Includes an integrated DC/DC controller for power conversion

Provides auxiliary sensing for accurate power measurement

Operates with a supply voltage range of 37.2V to 60V

Maximum supply current of 1.35mA

Operating temperature range of 0°C to 70°C

Packaged in a 32-pin WFDFN exposed pad surface mount package

Product Advantages

Enables power and data transmission over a single Ethernet cable, reducing wiring complexity

Efficient power conversion and accurate power measurement for optimal power delivery

Wide operating voltage range and low supply current for versatile deployment

Supports both PoE and PoE+ standards for compatibility with a range of devices

Key Reasons to Choose This Product

Comprehensive PoE solution with integrated power conversion and control

Reliable and efficient power delivery for a variety of network equipment

Compact and thermally efficient package for space-constrained applications

Seamless integration with Ethernet infrastructure

Quality and Safety Features

Robust and reliable design for industrial and commercial applications

Compliance with relevant safety and regulatory standards

Compatibility

Suitable for use in PoE and PoE+ enabled devices, including IP phones, wireless access points, security cameras, and other network equipment.

Application Areas

Power and data transmission for network infrastructure

Industrial and commercial automation systems

Building management and security systems

Telecommunications and networking solutions

Product Lifecycle

The LTC4278CDKD is an obsolete product, meaning it is no longer in active production. However, there are alternative PoE controller models available that offer similar or enhanced functionality. Customers are advised to contact our website's sales team for more information on compatible and replacement options.