LTC3899IUHF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3899IUHF#TRPBF

Manufacturer

Analog Devices, Inc.

Introduction

The LTC3899 is a high voltage, high power, synchronous step-down DC/DC controller. It is designed to operate from input voltages up to 60V and provides up to 100% duty cycle operation.

Product Features and Performance

High voltage operation up to 60V

Synchronous rectification for high efficiency

Adjustable switching frequency range from 105kHz to 835kHz

Programmable soft-start and tracking

Shutdown mode for low quiescent current

Undervoltage lockout

Overvoltage protection

Overcurrent protection

Thermal shutdown

Product Advantages

High voltage capability

High efficiency

Wide frequency range

Comprehensive protection features

Flexible control options

Key Technical Parameters

Input voltage range: 4.5V to 60V

Output voltage range: Adjustable

Switching frequency range: 105kHz to 835kHz

Maximum duty cycle: 100%

Operating temperature range: -40°C to 125°C

Quality and Safety Features

ROHS3 compliant

38-QFN (5x7) package

Compatibility

The LTC3899 is compatible with a wide range of high voltage applications, including industrial, automotive, and power supply designs.

Application Areas

High voltage step-down DC/DC converters

Industrial power supplies

Automotive electronics

Telecom and networking equipment

Industrial automation and control systems

Product Lifecycle

The LTC3899 is an active product and is currently available. There are no known plans for discontinuation or replacement at this time.

Key Reasons to Choose This Product

High voltage capability up to 60V

High efficiency due to synchronous rectification

Wide adjustable frequency range for flexible design

Comprehensive protection features for reliable operation

Flexible control options for customized solutions

Small 38-QFN (5x7) package for compact designs

RoHS3 compliance for environmental considerations