TPS5431DDAR - Texas Instruments

Manufacturer Part Number

TPS5431DDAR

Manufacturer

Texas Instruments

Introduction

The TPS5431DDAR is a step-down buck regulator designed to provide adjustable voltage outputs from a higher input voltage.

Product Features and Performance

Buck (step-down) converter topology

Adjustable output voltage

Supports input voltage range from 5.5V to 23V

Offers an adjustable output from 1.221V to 20.47V

Capable of delivering up to 3A of output current

Switching frequency of 500kHz

Non-synchronous rectification

Operates over a wide temperature range of -40°C to 125°C

Surface mount package (8-PowerSOIC)

Designed for easy PCB layout with 8-SO PowerPad package

Product Advantages

High efficiency due to step-down topology

Flexible application due to wide input and adjustable output voltage range

Good thermal performance with PowerPad package

Stable operation across a wide temperature range, suitable for industrial applications

Key Technical Parameters

Minimum Input Voltage: 5.5V

Maximum Input Voltage: 23V

Minimum/Adjustable Output Voltage: 1.221V

Maximum Output Voltage: 20.47V

Output Current: 3A

Switching Frequency: 500kHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Over-temperature protection

Under-voltage lockout

Over-current protection

Cycle-by-cycle current limit

Compatibility

Compatible with a variety of capacitors and inductors for design flexibility

Surface mountable for use in automated production processes

Application Areas

Distributed power systems

After-market automotive supplies

Power supplies for consumer electronics

Industrial and telecom power systems

Product Lifecycle

Product status: Active

Not nearing discontinuation with ongoing support and production

Availability of direct replacements or upgrades to be confirmed by Texas Instruments as needed

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliable and robust power management devices

Broad input voltage range suitable for diverse applications

High output current capacity (3A) for high-performance devices

Thermal protection enhances longevity under varied environmental conditions

Adjustable voltage output for greater design flexibility

High-frequency operation allows for smaller external components and reduced space on the PCB