LTC4257CS8-1#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4257CS8-1#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC4257CS8-1#TRPBF is a single-channel, Power over Ethernet (PoE) controller designed for Power Device (PD) applications, structured specifically to comply with IEEE 802.3af standard.

Product Features and Performance

Type: Controller (PD)

Single power channel

Maximum power output of 12.95 W

Internal switch included

Complies with 802.3af PoE standard

Operates at a supply voltage up to 57V

Supply current of 3mA

Functional in a temperature range from 0°C to 70°C

Product Advantages

Reduces external component count with integrated internal switch

Supports high voltage up to 57V, improving versatility in application

Low supply current aids in better power efficiency

Key Technical Parameters

Number of Channels: 1

Power Max: 12.95 W

Voltage Supply: 57V (Max)

Current Supply: 3mA

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Compliance with the strict 802.3af PoE standard ensures reliable power delivery and safety

Compatibility

Designed for surface mount applications, suitable for dense PCB layouts

Package / Case: 8-SOIC (0.154", 3.90mm Width)

Application Areas

Network cameras

Wireless access points

IP phones

Other devices requiring up to 12.95W of power over Ethernet

Product Lifecycle

Status: Active

Not nearing discontinuation, with continued support and supply expected

Several Key Reasons to Choose This Product

High compatibility with standard PoE devices due to adherence to 802.3af standard

Low operational supply current enhances efficiency

Internal switch reduces the need for additional external components, saving space and cost

The capability to support high voltage applications up to 57V

Reliable operation within a wide temperature range ensures performance under various environmental conditions