LTC3894IFE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3894IFE#PBF

Manufacturer

Analog Devices

Introduction

High Voltage Step-Down DC DC Switching Controller

Product Features and Performance

High input voltage range up to 150V

Output Transistor Driver for step-down conversion

Positive Output Configuration

Buck Topology

Single Output

One Output Phase

Wide switching frequency range from 50kHz to 850kHz

Max 100% Duty Cycle

Integrated Synchronous Rectifier for improved efficiency

Clock synchronization capability

Product Advantages

Operational across a wide supply voltage range from 4.5V to 150V

Supports high switching frequencies for flexible design

Can operate at 100% duty cycle for low-dropout operation

Synchronous rectification enhances efficiency

Built-in current limit, frequency control, power good signal, and soft start features

Key Technical Parameters

Supply Voltage range 4.5V to 150V

Switching Frequency between 50kHz and 850kHz

Operating Temperature range -40°C to 125°C

Quality and Safety Features

Robust thermal performance with specified operating temperature range

Built-in safety features including current limiting

Compatibility

Surface Mount compatible

20-TSSOP-EP package suitable for various PCB designs

Application Areas

High voltage power regulation

Automotive, Industrial, Telecom, and Aerospace systems

Product Lifecycle

Active product status

Not indicated as nearing discontinuation at the cut-off date

Replacements or upgrades not specified

Several Key Reasons to Choose This Product

Versatile input voltage range catering to a variety of applications

High frequency switching capability for design flexibility

Integrated synchronous rectification for higher efficiency

Comprehensive control features aiding in precise power management

Broad operating temperature range supporting use in harsh environments

Surface mount compatibility simplifies PCB design and manufacturing processes