LT3845EFE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3845EFE#TRPBF

Manufacturer

Analog Devices, Inc.

Introduction

The LT3845EFE#TRPBF is a high-efficiency, current-mode DC/DC step-down switching regulator controller from Analog Devices, Inc.

Product Features and Performance

Supports input voltages from 4V to 60V

Switching frequency of 300kHz

Single-phase, synchronous rectification topology

Integrated high-side and low-side MOSFET drivers

Adjustable soft-start and shutdown functions

Clock synchronization capability

Thermal shutdown and current limit protection

Product Advantages

High efficiency over a wide input voltage range

Compact size and low external component count

Robust protection features for reliable operation

Flexibility in design with adjustable switching frequency and soft-start

Key Technical Parameters

Input Voltage: 4V to 60V

Switching Frequency: 300kHz

Output Voltage Accuracy: ±1.5%

Minimum On-Time: 80ns

Quiescent Current: 1.2mA (typ.)

Quality and Safety Features

ROHS3 compliant

Exposed pad package for improved thermal performance

Thermal shutdown and current limit protection

Compatibility

This controller is suitable for use in a variety of DC/DC converter applications, including industrial, automotive, and consumer electronics.

Application Areas

Industrial equipment

Automotive electronics

Consumer electronics

Telecommunication systems

Product Lifecycle

The LT3845EFE#TRPBF is an actively supported product from Analog Devices, Inc. and is not nearing discontinuation. Replacement or upgrade options are available if needed.

Key Reasons to Choose This Product

High efficiency and wide input voltage range

Compact size and low external component count

Robust protection features for reliable operation

Flexibility in design with adjustable switching frequency and soft-start

Compatibility with a wide range of applications