LTC3891EUDC#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3891EUDC#PBF

Manufacturer

Analog Devices

Introduction

The LTC3891EUDC#PBF is a robust high voltage, high performance step-down switching controller that regulates output voltages from a higher input voltage in power management applications.

Product Features and Performance

High voltage capability up to 60V

Step-down (Buck) topology

Synchronous rectifier for improved efficiency

Wide switching frequency range of 105kHz to 835kHz

Supports up to 99% maximum duty cycle

Features current limit, enable, frequency control, power good, soft start, and tracking control options

Operating temperature ranges from -40°C to 125°C

Product Advantages

Enhanced power efficiency through synchronous rectification

Flexible control features for comprehensive power management

High reliability and performance under extended temperature conditions

Key Technical Parameters

Voltage supply (Vcc/Vdd) from 4V to 60V

Switching frequency: 105kHz to 835kHz

Duty cycle: Maximum 99%

Operating temperature: -40°C to 125°C

Quality and Safety Features

Built to handle high input voltages securely

Thermal and current limit protection enhance component safety and longevity

Compatibility

Compatible with a wide range of input voltages and various external components due to its flexible operating parameters

Application Areas

Suitable for use in telecommunications, industrial, automotive, and high voltage regulated power supplies

Product Lifecycle

Currently active with ongoing support and production

Not nearing discontinuation, replacements or upgrades are available within the same product family

Several Key Reasons to Choose This Product

High input voltage capability accommodates a variety of applications

High efficiency and configuration flexibility facilitate optimal power system design

Durable and reliable operation in extended temperature environments enhances product suitability for harsh applications

Comprehensive safety and control features ensure stable and safe operation

Ongoing product lifecycle support from Analog Devices ensures long-term availability and utility