LTC3789IGN#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3789IGN#PBF

Manufacturer

Analog Devices

Introduction

The LTC3789IGN#PBF is a high-performance DC DC switching controller designed for power management applications. It is capable of stepping up or stepping down voltages efficiently.

Product Features and Performance

Buck-Boost topology allows for versatile voltage regulation

Supports both step-up and step-down operations

Output type: Transistor Driver

Two outputs with a single output phase

Synchronous Rectifier technology enhances efficiency

Frequency Control for adjustable switching frequency from 200kHz to 640kHz

Current Limit, Enable, Power Good, and Soft Start control features

Product Advantages

High efficiency with Synchronous Rectifier

Versatile voltage handling from 4V to 38V

High temperature operational capability up to 125°C

Soft Start feature minimizes inrush current impact

Key Technical Parameters

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

Frequency Switching: 200kHz ~ 640kHz

Maximum Duty Cycle: 90%

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Quality and Safety Features

Robust operating temperature range ensures reliability in various environments

Built-in features like Current Limit and Soft Start enhance safety and device preservation

Compatibility

Compatible with a variety of Power Management applications

Flexible for both step-up and step-down voltage requirements

Application Areas

Power Management Systems

Renewable Energy Systems

Portable Devices

Industrial Equipment

Product Lifecycle

Product Status: Active

Not close to discontinuation; replacements or upgrades currently not required

Several Key Reasons to Choose This Product

High flexibility in voltage management makes it suitable for diverse power systems

High maximum duty cycle of 90% allows for efficient power conversion

Advanced Synchronous Rectifier technology ensures superior efficiency

Thermal and operational reliability is enhanced by a broad operating temperature range and robust safety features

User-customizable switching frequency offers design adaptability