LTC4257IS8-1#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4257IS8-1#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC4257IS8-1#TRPBF is a Power over Ethernet (PoE) Controller designed for efficient power management and delivery over Ethernet cables, complying with the IEEE 802.3af standard.

Product Features and Performance

Single channel PoE controller

Integrated internal switch

Supports up to 12.95W of power

Operates under the IEEE 802.3af standard for PoE

Accepts a maximum voltage supply of 57V

Maximum supply current of 3mA

Functionality across a wide temperature range from -40°C to 85°C

Suitable for surface mounting, packaged in an 8-SOIC format

Product Advantages

Efficient power delivery for PoE applications

Compact size suitable for space-sensitive applications

Integrated switch simplifies design and reduces component count

Key Technical Parameters

Type: Controller (PD)

Number of Channels: 1

Power Max: 12.95 W

Voltage Supply: 57V (Max)

Current Supply: 3mA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Complies with the stringent IEEE 802.3af standard for safety and reliability of PoE systems.

Compatibility

Compatible with applications and devices adhering to the IEEE 802.3af PoE standard.

Application Areas

Network cameras

Wireless network access points

IP telephones

Other Ethernet-powered devices

Product Lifecycle

Status: Active

Continuously supported with no current plans for discontinuation

Several Key Reasons to Choose This Product

Highly reliable for critical PoE applications, ensuring device safety

Low operational current enhances energy efficiency

Broad temperature range makes it suitable for a variety of environments

Compact and integrated design facilitating easier implementation in systems with space constraints

Active product status ensures ongoing manufacturer support and availability