LTC4357CMS8#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC4357CMS8#PBF

Manufacturer

Analog Devices

Introduction

The LTC4357 is a controller for N+1 ORing of power sources, leveraging N-Channel FETs to enhance power management and efficiency in critical systems like redundant power supplies and telecom infrastructure.

Product Features and Performance

N+1 ORing Controller for redundant power system management.

Utilizes N-Channel MOSFETs for lower loss power path.

Does not include internal switches, offering design flexibility.

Features a delayed turn-off (OFF) time of 300 ns to mitigate transient effects.

Requires a modest supply current of 500 µA.

Supports a wide voltage supply range from 9V to 80V.

Operates efficiently within a temperature range of 0°C to 70°C.

Designed for surface mount applications with a compact 8-MSOP package.

Product Advantages

Enhances system reliability through N+1 ORing and redundant power supply management.

Lowers RON and power consumption by leveraging external N-Channel MOSFETs.

Broad supply voltage range makes it suitable for a wide array of telecom and industrial power systems.

Compact footprint facilitates easy integration into design-constrained applications.

Key Technical Parameters

N:1 ratio input:output for ORing functionality.

Delay Time OFF: 300 ns for controlled switching.

Current Supply: 500 µA for operational efficiency.

Voltage Supply Range: 9V ~ 80V for versatile application use.

Quality and Safety Features

Automotive grade quality for reliability in demanding environments.

Compatibility

Utilizes generic N-Channel MOSFETs for ORing, providing flexibility in component choice.

Application Areas

Redundant power supplies for increased system reliability.

Telecom infrastructure, ensuring continuous operation.

Product Lifecycle

The product status is Active, indicating it is not nearing discontinuation.

It is supported with potential for replacements or upgrades as part of Analog Devices' continuous product development.

Several Key Reasons to Choose This Product

Enhances power system reliability and efficiency in critical applications.

Wide operating voltage and temperature range accommodate diverse requirements.

Low supply current enhances overall energy efficiency.

Surface mount package ensures compatibility with modern PCB design strategies.

Backed by Analog Devices' reputation for quality and support, ensuring confidence in deployment.