TPS51275B-1RUKT - Texas Instruments

Manufacturer Part Number

TPS51275B-1RUKT

Manufacturer

Texas Instruments

Introduction

The TPS51275B-1RUKT is a dual synchronous step-down controller with additional LDOs designed for power management.

Product Features and Performance

Dual Synchronous Buck Converter with D-CAP™ Mode

Two Linear Regulators (LDOs)

Adaptive On-Time Control Architecture

Wide Input Voltage Range: 5.5 V to 24 V

Adjustable Switching Frequency: 300 kHz or 355 kHz

Supports Pre-Biased Outputs

Soft Start and Voltage Tracking

Thermal Shutdown Protection

Over-Voltage, Over-Current, and Under-Voltage Lockout

Product Advantages

High-Efficiency Step-Down Voltage Conversion

Low Bill of Materials Due to D-CAP™ Mode Operation

Built-in LDOs for Additional Linear Regulation

Small 20-WFQFN Package Saves PCB Space

Comprehensive Protection Features Enhance Reliability

Key Technical Parameters

Topology: Synchronous Buck, Linear LDO

Number of Outputs: 4

Frequency - Switching: 300kHz, 355kHz

Voltage/Current - Output 1: Controller

Voltage/Current - Output 2: Controller

Voltage/Current - Output 3: 3V, 100mA

Voltage - Supply: 5.5V ~ 24V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 20-WFQFN Exposed Pad

Quality and Safety Features

Thermal Overload Protection

Soft Start Functionality to Minimize In-Rush Current

Under-Voltage Lockout (UVLO)

Over-Voltage and Current Protection for Reliable Operation

Compatibility

Compatible with a Range of Microprocessors and Digital Systems

Designed for Use with Surface Mount Technology (SMT)

Application Areas

Computing Systems and Peripherals

Networking and Telecommunication Equipment

Gaming Consoles

TVs and Monitors

Embedded Industrial Systems

Product Lifecycle

Product Status: Active

High Availability and Long-Term Support

Several Key Reasons to Choose This Product

Efficient Power Solution for Multi-Output Systems

Flexible Voltage Regulation Suitable for a Variety of Electronics

Compact Size Ideal for Space-Constrained Applications

Intelligent Control Features to Enhance Power System Management

Robust Protection Features Increase System Reliability

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