LTC3862EUH#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3862EUH#PBF

Manufacturer

Analog Devices, Inc.

Introduction

The LTC3862 is a high-efficiency, current-mode step-up/step-down DC/DC controller with synchronous rectification. It operates from 4V to 36V input and provides up to 96% duty cycle for boost, SEPIC, or flyback topologies.

Product Features and Performance

High-efficiency current-mode control

Wide 4V to 36V input voltage range

Up to 96% duty cycle for boost, SEPIC, or flyback topologies

Adjustable switching frequency from 75kHz to 500kHz

Supports 2-phase operation for reduced input/output ripple

Integrated gate drivers for external power MOSFETs

Programmable soft-start and frequency control

Undervoltage lockout, cycle-by-cycle current limit, and thermal shutdown protection

Product Advantages

High efficiency for extended battery life

Wide input voltage range for versatile applications

Flexible topology options for optimized design

Adjustable switching frequency for system optimization

Multiphase operation for reduced input/output ripple

Comprehensive protection features for reliable operation

Key Technical Parameters

Input Voltage Range: 4V to 36V

Switching Frequency Range: 75kHz to 500kHz

Maximum Duty Cycle: 96%

Output Phases: 2

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

RoHS3 compliant

Integrated protection features including undervoltage lockout, cycle-by-cycle current limit, and thermal shutdown

Compatibility

The LTC3862 is compatible with a wide range of power MOSFET devices and can be used in various power supply applications.

Application Areas

Industrial and automotive power supplies

Telecom and networking equipment

Portable electronics and battery-powered devices

Distributed power systems

Product Lifecycle

The LTC3862 is an active product and is currently in production. Replacement or upgrade options may be available from Analog Devices, Inc.

Key Reasons to Choose the LTC3862

High efficiency and wide input voltage range for enhanced power conversion

Flexible topology options for optimized design

Adjustable switching frequency for system optimization

Multiphase operation for reduced input/output ripple

Comprehensive protection features for reliable operation

RoHS3 compliance for environmental friendliness