LTC3785EUF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3785EUF#TRPBF

Manufacturer

Analog Devices

Introduction

High performance DC-DC switching controller for power management applications

Product Features and Performance

Integrated transistor driver for step-up/step-down functionality

Buck-Boost topology ensures stable operation over a wide input voltage range

Capable of driving two outputs simultaneously

Single-phase output

Supports a supply voltage range of 2.7V to 10V

Adjustable switching frequency from 100kHz to 1MHz

High duty cycle up to 99% for efficient operation

Incorporates a synchronous rectifier for reduced power loss

Features current limit, enable, and soft start control

Operational over a wide temperature range from -40°C to 85°C

Product Advantages

Versatile supply voltage compatibility enhances design flexibility

Buck-Boost configuration allows for voltage regulation below, above, or equal to the input voltage

High frequency switching capability for compact power supply design

High duty cycle enables efficient use of energy and lower dropout performance

Integration of synchronization and soft start minimizes external components requirement

Key Technical Parameters

Topology: Buck-Boost

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 2.7V ~ 10V

Frequency - Switching: 100kHz to 1MHz

Duty Cycle (Max): 99%

Synchronous Rectifier: Yes

Quality and Safety Features

Built to operate reliably in extreme temperatures as low as -40°C and as high as 85°C

Robust surface mount 24-WFQFN package with exposed pad for thermal management

Compatibility

Wide input voltage range for use with various energy sources and systems

Compatible with surface mount technology for modern PCB assembly

Application Areas

Suitable for telecommunications, automotive, industrial, and portable electronics

Ideal for power regulation in both battery-powered and line-powered devices

Product Lifecycle

Product status is active, ensuring ongoing production and availability

Monitoring for EOL notifications or next-gen replacements

Several Key Reasons to Choose This Product

Versatile performance with step-up/step-down capability for complex power systems

Highly adjustable switching frequency for design optimization

Energy efficient with synchronous rectification and high max duty cycle

Broad operating temperature range suitable for harsh environments

Compact form factor aided by high switching frequency and a QFN package