LTC3789EGN#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3789EGN#TRPBF

Manufacturer

Analog Devices

Introduction

High-performance power management integrated circuit designed for DC-DC conversion

Product Features and Performance

Step-Up/Step-Down functionality

Positive Output Configuration

Buck-Boost Topology

Two outputs with single-phase operation

Adjustable switching frequency from 200kHz to 640kHz

Maximum 90% duty cycle

Integrated synchronous rectifier for improved efficiency

Lack of clock synchronization feature

Current Limit, Enable, Frequency Control, Power Good, Soft Start control features

Designed for surface mount technology

Product Advantages

High voltage range support from 4V to 38V

Highly efficient synchronous operation

Portable with surface mount package 28-SSOP

Extended operating temperature range from -40°C to 125°C

Key Technical Parameters

Supply Voltage (Vcc/Vdd): 4V ~ 38V

Switching Frequency: 200kHz ~ 640kHz

Duty Cycle (Max): 90%

Number of Outputs: 2

Output Phases: 1

Quality and Safety Features

Robust operating temperature range ensuring reliability under extreme conditions

Current limit feature for overload protection

Compatibility

Compatible with a broad range of input voltages and applications

Suitable for many power management tasks due to surface mount 28-SSOP package

Application Areas

Versatile in telecommunications, automotive, industrial, and portable electronics

Product Lifecycle

Currently active and not nearing discontinuation

Continued manufacturer support with the possibility of future upgrades

Several Key Reasons to Choose This Product

Versatile power supply design capable of step-up and step-down functions

Efficient synchronous rectification

Support for a wide range of input voltages

Robust temperature range ensuring performance in various environments

Compact, surface-mountable design fitting a broad spectrum of applications

The capability of fine-tuning performance through adjustable frequency control

Perfect for designs requiring longevity and ongoing manufacturer support