LTC4274CUHF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4274CUHF#TRPBF

Manufacturer

Analog Devices

Introduction

High-efficiency Power Over Ethernet (PoE) Controller for single-channel PSE applications.

Product Features and Performance

Power Management IC specifically designed for PoE applications

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

Can deliver up to 25.5 W of power to remote devices

Supports a 3V to 4.3V supply voltage range

Low operating current of 1.1mA

Designed for a 0°C to 70°C operating temperature range

Surface Mount 38-WFQFN Exposed Pad package for PCB efficiency

Does not include internal switches or auxiliary sense functionality

Product Advantages

Ability to power devices over Ethernet, eliminating the need for separate power supplies

Reduces cabling and infrastructure costs by leveraging Ethernet cabling

Simplifies installation of networked devices like IP cameras, wireless access points, and IP phones

Key Technical Parameters

Single-channel PSE Controller

Power output up to 25.5W per port

Voltage - Supply: 3V ~ 4.3V

Current - Supply: 1.1mA

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Complies with industry standards for safety and reliability

Provides overcurrent protection and fault management for connected devices

Compatibility

Compatible with devices requiring IEEE 802.3at or 802.3af PoE standards

Application Areas

Ethernet-powered devices such as VoIP Phones, Wireless Access Points, Network Cameras

IoT and Smart Building infrastructure

Network Switches and Routers with PoE capabilities

Industrial automation systems

Product Lifecycle

Active product with ongoing manufacturing and support

Not indicated as nearing discontinuation

Availability of replacements or upgrades should be monitored through Analog Devices' resources

Several Key Reasons to Choose This Product

Supports the latest Power Over Ethernet Plus (PoE+) standard for higher power capabilities

Low power consumption increases system efficiency and minimizes heat generation

The compact QFN package saves board space and aids in the design of compact hardware setups

Broad compatibility with various Ethernet-powered devices ensures versatility in application

Renowned manufacturer with proven track record in power management solutions

Active product status ensures long-term availability and support

Comprehensive technical documentation and support from Analog Devices