TPS5103IDB - Texas Instruments

Manufacturer Part Number

TPS5103IDB

Manufacturer

Texas Instruments

Introduction

The TPS5103IDB is a high-performance, step-down (buck) switching controller from Texas Instruments, designed for power management applications.

Product Features and Performance

Step-Down (Buck) topology for efficient power conversion

Supports synchronous rectification for improved efficiency

Capable of driving a transistor as its output

Designed for positive output configuration

Single output phase for simplicity

Works with a supply voltage range from 4.5V to 25V

Switching frequency set at 200kHz

Includes current limit, frequency control, and soft start features for enhanced operation

Operates across a wide temperature range of -40°C to 85°C

Product Advantages

High efficiency through the use of synchronous rectification

Versatile voltage supply compatibility suits various applications

Built-in protection features ensure reliability and safety

Simplified design with integrated control features reduces external component count

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4.5V ~ 25V

Frequency Switching: 200kHz

Output Type: Transistor Driver

Topology: Buck

Number of Outputs: 1

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Integrated current limit function prevents overcurrent conditions

Soft start feature limits inrush current at startup

Robust design ensures operation in tough environmental conditions

Compatibility

Surface Mount mounting type allows for use in compact designs

Compatible with a wide range of external power transistors for flexible design options

Application Areas

Power supply modules

Consumer electronics

Telecommunications equipment

Industrial controls

Product Lifecycle

Product Status: Active, indicating ongoing production and support

Not nearing discontinuation, ensuring long-term availability for designs

Several Key Reasons to Choose This Product

Texas Instruments' reputation for quality and reliability

High efficiency and flexibility for diverse power management tasks

Comprehensive protection features secure the end application

Easy integration into various designs thanks to surface mount packaging

Supported by Texas Instruments' extensive technical resources and support network