LTC3859AIFE - Analog Devices Inc.

Manufacturer Part Number

LTC3859AIFE

Manufacturer

Analog Devices

Introduction

The LTC3859AIFE is a highly integrated, high-voltage, dual-phase synchronous step-down DC/DC controller with three independent outputs. It is designed to operate from a wide input voltage range of 4.5V to 38V and can deliver up to 99% duty cycle. The controller features extensive protection and monitoring functions, making it an ideal choice for high-power, high-efficiency power conversion applications.

Product Features and Performance

Wide input voltage range of 4.5V to 38V

Dual-phase synchronous step-down converter with three independent outputs

Switching frequency range of 115kHz to 835kHz for the main outputs and 350kHz to 535kHz for the auxiliary output

Up to 99% duty cycle for the main outputs and 100% duty cycle for the auxiliary output

Synchronous rectification for high efficiency

Adjustable soft-start and tracking

Comprehensive protection features, including overcurrent, overvoltage, and thermal shutdown

Product Advantages

High-efficiency power conversion with dual-phase operation

Wide input voltage range suitable for a variety of applications

Flexible output configuration with three independent outputs

Extensive protection and monitoring features for reliable operation

Small footprint and easy integration with surface mount package

Key Reasons to Choose This Product

Robust and reliable performance in high-power applications

Optimized for high efficiency and thermal management

Flexible design with multiple configurable outputs

Comprehensive protection features to ensure safe operation

Ease of use and seamless integration with the design

Quality and Safety Features

Rigorous testing and quality control procedures

Compliance with relevant industry standards and safety regulations

Thermal shutdown protection to prevent overheating

Compatibility

The LTC3859AIFE is compatible with a wide range of power supply and system architectures, making it suitable for a variety of applications, including:

Industrial equipment

Automotive and transportation systems

Telecommunications infrastructure

Medical devices

Robotics and automation

Application Areas

High-power, high-efficiency DC/DC conversion

Dual-phase step-down power supplies

Multirail power management

Automotive and industrial power systems

Product Lifecycle

The LTC3859AIFE is currently in the obsolete product status. Analog Devices may have equivalent or alternative models available. Customers are advised to contact our website's sales team for the latest product information and availability.