TPS54228DR - Texas Instruments

Manufacturer Part Number

TPS54228DR

Manufacturer

Texas Instruments

Introduction

The TPS54228DR is a step-down, or buck, converter suitable for power management applications.

Product Features and Performance

Integrated D-CAP2™ control for fast transient response

Eco-Mode™ for light-load efficiency

Adjustable output voltage

Synchronous rectifier for enhanced efficiency

Supports a wide input voltage range from 4.5V to 18V

Output voltage range from 0.76V to 7V

Capable of delivering up to 2A output current

Stable with low ESR output capacitors

Product Advantages

High-efficiency power conversion

Reduced external components due to D-CAP2™ architecture

Energy-saving Eco-Mode™ at light loads

Thermal shutdown and overcurrent protection enhance the reliability

Low radiation and conducted noise

Suitable for various applications due to its broad output voltage range

Key Technical Parameters

Input Voltage (Min): 4.5V

Input Voltage (Max): 18V

Output Voltage (Min/Fixed): 0.76V

Output Voltage (Max): 7V

Output Current: 2A

Switching Frequency: 700kHz

Operating Temperature Range: -40°C ~ 85°C

Mounting Type: Surface Mount

Quality and Safety Features

Overcurrent protection

Thermal protection with shutdown

Cycle-by-cycle current limiting

Under-voltage lockout (UVLO)

Compatibility

Compatible with low ESR capacitors, including ceramic types

Suitable for 8-SOIC footprint

Application Areas

Distributed power systems

Consumer electronics

Computing devices

Telecommunications equipment

Aftermarket automotive power supplies

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation

Replacement parts and upgrades available

Several Key Reasons to Choose This Product

Proven reliability from Texas Instruments

High efficiency for power-sensitive applications

Advanced features like D-CAP2™ for fast transient response

Eco-Mode™ operation for improved light-load efficiency

Broad compatibility with various input and output voltages

Small package size suitable for space-constrained applications

Strong support and extensive technical documentation available from the manufacturer