TPS54427DRCR - Texas Instruments

Manufacturer Part Number

TPS54427DRCR

Manufacturer

Texas Instruments

Introduction

The TPS54427DRCR, developed by Texas Instruments, is a high-performance step-down (buck) regulator designed for efficient power management. This device falls within the power management integrated circuits (PMIC) voltage regulators - DC DC switching regulators category, featuring state-of-the-art D-CAP2™ and SWIFT™ technology for fast transient response and high efficiency.

Product Features and Performance

Step-down voltage regulator with an adjustable output

Efficient synchronous rectification

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

Adjustable output voltage range from 0.76V to 7V

Capable of supplying up to 4A of output current

Operates at a fixed 650kHz switching frequency

Advanced D-CAP2™ control mode for fast transient response

Integrates low RDSON high and low side MOSFETs

Product Advantages

High efficiency across a wide load range

Minimal external components required due to integrated MOSFETs

Excellent line and load regulation

Fast transient response enhances performance for a wide range of applications

Enables compact and simplified circuit design due to small package size

Key Technical Parameters

Voltage Input (Min): 4.5V

Voltage Input (Max): 18V

Voltage Output (Min/Fixed): 0.76V

Voltage Output (Max): 7V

Current Output: 4A

Frequency Switching: 650kHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in thermal shutdown

Under-voltage lockout (UVLO)

Overcurrent protection

Compatibility

Compatible with a wide range of input voltages and loads

Suitable for use in both battery-powered and non-battery applications

Application Areas

Computing systems

Networking equipment

Consumer electronics

Industrial controls

Product Lifecycle

Currently marked as active

No indication of nearing discontinuation, ensuring long-term availability

Replacements or upgrades should follow technological advancements or future demands

Several Key Reasons to Choose This Product

Wide input voltage range accommodates various power sources

Adjustable output voltage offers flexibility for different application requirements

High efficiency reduces power loss and heat generation

Texas Instruments' reputation for quality and reliability

Advanced control method and integrated features minimize external component count, reducing system complexity and cost