TPS5450DDAR - Texas Instruments

Manufacturer Part Number

TPS5450DDAR

Manufacturer

Texas Instruments

Introduction

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

Designed for a wide range of applications that require high efficiency, small solution size, and good thermal performance

Product Features and Performance

Output current up to 5A

Adjustable output voltage from 1.221V to 31.32V

500kHz fixed-frequency operation

High efficiency up to 96%

Wide input voltage range from 5.5V to 36V

Excellent line and load regulation

Thermal shutdown and overcurrent protection

Low quiescent current of 40µA in standby mode

Product Advantages

Small size and high efficiency enable compact power supply designs

Capable of delivering up to 5A of output current

Wide input voltage range and adjustable output voltage provide flexibility

Robust protection features ensure reliable operation

Key Technical Parameters

Output Voltage Range: 1.221V to 31.32V

Output Current: 5A

Switching Frequency: 500kHz

Input Voltage Range: 5.5V to 36V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

ROHS3 compliant

Thermal shutdown and overcurrent protection

Compatibility

Surface mount package (8-PowerSOIC) compatible with standard assembly processes

Application Areas

Portable electronics, industrial equipment, and other applications that require a compact, high-efficiency power supply

Product Lifecycle

This product is currently in production and not nearing discontinuation. Replacement options and upgrades may be available from Texas Instruments.

Key Reasons to Choose This Product

High output current capability (up to 5A)

Wide input voltage range and adjustable output voltage for flexibility

Excellent efficiency and thermal performance

Robust protection features for reliable operation

Small size and compatibility with standard assembly processes