Product Model

TPS51397ARJER

Introduction

Texas Instruments TPS51397ARJER is a step-down buck regulator.

Brand and Manufacturer

Texas Instruments

Features

Step-Down (Buck) regulator

Adjustable output voltage

Single output channel

Synchronous rectification for efficiency

D-CAP3™ control mode for fast transient response

Product Performance

High-efficiency power conversion

5V to 24V input voltage range

6V to 5.5V adjustable output voltage

10A output current capability

Supports 500kHz and 800kHz switching frequencies

Thermal performance suitable for demanding environments

Technical Specifications

Output Configuration: Positive

Topology: Buck

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 24V

Voltage - Output (Min/Fixed): 0.6V

Voltage - Output (Max): 5.5V

Current - Output: 10A

Frequency - Switching: 500kHz, 800kHz

Operating Temperature: -40°C ~ 125°C (TJ)

Dimensions, Shape, and Packaging

Surface Mount

20-VFQFN Exposed Pad package

Dimensions: 3mm x 3mm (Package size)

Packaged in Tape & Reel (TR) for automated assembly

Quality and Reliability

Built to Texas Instruments' quality standards

Reliable performance in a wide temperature range

Product Advantages

Efficient power conversion

Flexible input voltage acceptance

Optimized for fast response to load changes

High current output suitable for various applications

Compact size suitable for space-constrained applications

Product Competitiveness

Highly competitive within power management integrated circuits

Positioned for power efficiency and thermal management

Compatibility

Compatible with various microcontrollers and digital systems requiring DC input

Standard Certification and Compliance

Complies with industry-standard certifications and Texas Instruments' manufacturing standards

Lifespan and Sustainability

Designed for long-term reliability

High-quality construction for sustained performance

Actual Application Fields

Suitable for computing systems, networking equipment, and other electronics requiring efficient power regulation

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