TPS54429PWPR - Texas Instruments

Manufacturer Part Number

TPS54429PWPR

Manufacturer

Texas Instruments

Introduction

High-efficiency, synchronous step-down DC/DC converter

Designed for low-power applications requiring a well-regulated output voltage

Product Features and Performance

Wide input voltage range of 7V to 18V

Adjustable output voltage from 0.76V to 5.5V

Output current up to 4.5A

Switching frequency of 700kHz

Synchronous rectification for high efficiency

D-CAP2 mode for fast transient response

Integrated compensation and loop stability

Cycle-by-cycle current limit and thermal shutdown protection

Low quiescent current of 25μA in no-load standby mode

Product Advantages

Excellent power efficiency across load range

Compact solution size with integrated power components

Fast transient response for dynamic load conditions

Comprehensive protection features for reliable operation

Suitable for a wide range of low-power applications

Key Technical Parameters

Input Voltage Range: 7V to 18V

Output Voltage Range: 0.76V to 5.5V

Output Current: Up to 4.5A

Switching Frequency: 700kHz

Efficiency: Up to 95%

Quality and Safety Features

RoHS3 compliant

Thermal shutdown protection

Cycle-by-cycle current limiting

Compatibility

Compatible with a wide range of low-power applications requiring a well-regulated output voltage

Application Areas

Portable electronics

Industrial controls

Telecom equipment

Networking and communication devices

Automotive electronics

Product Lifecycle

Currently in active production

Replacement or upgrade options available from Texas Instruments

Several Key Reasons to Choose This Product

High power efficiency for extended battery life or reduced power consumption

Compact solution size for space-constrained designs

Fast transient response for dynamic load conditions

Comprehensive protection features for reliable operation

Suitable for a wide range of low-power applications