LM5642XMTX - Texas Instruments

Manufacturer Part Number

LM5642XMTX

Manufacturer

Texas Instruments

Introduction

The LM5642XMTX is a high-performance dual output buck control switch designed for power management applications, specifically in DC to DC conversion.

Product Features and Performance

Two output buck controller

Transistor driver output type

Functions in a step-down (buck) topology

Supports positive output configuration

Capable of synchronous rectification for improved efficiency

Includes frequency switching at 375kHz

High duty cycle max of 98.9%

Supports clock synchronization

Product Advantages

Dual output capability allows for versatile power management

High frequency switching enhances device performance and power density

High duty cycle allows for near-continuous operation

Synchronous rectification feature significantly enhances energy efficiency

Key Technical Parameters

Supply Voltage range: 4.5V to 36V

Output Phases: 2

Temperature tolerance: -40°C to 125°C

Packaging: 28-TSSOP

Quality and Safety Features

Operational over a broad temperature range suitable for challenging environments

Current limit and soft-start control features for enhanced safety and device protection

Compatibility

Designed for applications requiring efficient voltage conversion and power management

Compatible with various microcontrollers and systems requiring power regulation from input 4.5V to 36V

Application Areas

Power supply modules

Telecommunication equipment

Portable electronic devices

Computing systems

Industrial controls

Product Lifecycle

Product Status: Obsolete

Replacements or upgrades might be available, typically consult Texas Instruments product directory for newer models or alternatives.

Several Key Reasons to Choose This Product

Offers high efficiency and energy-saving features like synchronous rectifier and high duty cycle

Dual output enhances system design flexibility

Robust performance parameters including high switching frequency and wide operating temperature range

Critical safety features including current limit and soft-start

Obsolete status may propose a beneficial cost option for legacy systems maintenance