LTC4353CDE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4353CDE#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC4353 is a current sharing controller that provides ideal diode operation between two power supplies. It is designed to connect two power sources in parallel to provide redundancy and higher reliability in power-critical applications. The LTC4353 features fast, automatic switchover between supplies, precise current sharing, and low power consumption.

Product Features and Performance

Current Sharing Controller for Redundant Power Supplies

Ideal Diode Operation with Automatic Switchover

Precise Current Sharing Between Supplies

Fast Switchover Time (400ns ON, 300ns OFF)

Wide Supply Voltage Range: 2.9V to 18V

Low Quiescent Current: 1.5mA

Operating Temperature: 0°C to 70°C

Surface Mount 16-WFDFN Exposed Pad Package

Product Advantages

Ensures reliable power delivery with redundant power supplies

Precise current sharing prevents one supply from carrying the full load

Fast switchover time minimizes output voltage disturbance

Wide input voltage range accommodates a variety of power sources

Small footprint and low power consumption

Key Reasons to Choose This Product

Robust current sharing and redundancy for critical power applications

Automatic, seamless switchover between power supplies

Compact size and low power consumption for space-constrained designs

Proven Analog Devices quality and reliability

Quality and Safety Features

Designed and manufactured to high quality standards

Protections include overcurrent, overvoltage, and thermal shutdown

Compatibility

Suitable for use with N-Channel FETs

2:2 input-to-output ratio

Application Areas

Redundant power supplies

Telecom infrastructure

Industrial control systems

Medical equipment

Networking and server equipment

Product Lifecycle

The LTC4353 is an active product, with no plans for discontinuation. There are no direct equivalents or alternatives currently available from Analog Devices. For the latest information or to discuss your specific application needs, please contact our website's sales team.