TPS56428DDAR - Texas Instruments

Manufacturer Part Number

TPS56428DDAR

Manufacturer

Texas Instruments

Introduction

The TPS56428DDAR is a high-efficiency synchronous step-down DC/DC converter from Texas Instruments suitable for various applications requiring efficient voltage regulation.

Product Features and Performance

Integrated D-CAP2™ control for fast transient response.

Eco-Mode™ for light load efficiency.

Adjustable output voltage range from 0.6V to 7V.

Supports up to 4A of output current.

Wide input voltage range from 4.5V to 18V.

650kHz switching frequency for optimal balance between efficiency and component size.

Synchronous rectification for improved efficiency.

Thermal shutdown and overcurrent protection.

Product Advantages

High integration reduces external component count.

Fast load transient response suitable for high-performance applications.

Improved efficiency at light loads with Eco-Mode™.

Key Technical Parameters

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 18V

Voltage - Output (Min/Fixed): 0.6V

Voltage - Output (Max): 7V

Current - Output: 4A

Frequency - Switching: 650kHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Overcurrent protection.

Thermal shutdown.

Under voltage lockout.

Compatibility

Compatible with a wide range of input voltages.

Suitable for various applications requiring a 4A output current capability.

Surface mount device with PowerSOIC package.

Application Areas

Distributed Power Systems

Telecommunications

Networking Equipment

FPGAs, DSPs, and Microprocessors

Product Lifecycle

Active product status.

Not listed as nearing discontinuation.

Replacement and upgrade options not specified.

Several Key Reasons to Choose This Product

Highly efficient, reducing power loss and heat generation.

D-CAP2™ and Eco-Mode™ offer both high performance and energy savings.

Wide input voltage range compatible with various power supplies.

Simplified design with integrated high-side and low-side MOSFETs.

Protections enhance the reliability and longevity of the device.

Industry-standard package compatible with standard PCB manufacturing processes.