LM2575IN - Texas Instruments

Manufacturer Part Number

LM2575IN

Manufacturer

Texas Instruments

Introduction

The LM2575IN is a switching regulator IC that provides a step-down (buck) regulated output from an unregulated input voltage.

Product Features and Performance

Adjustable output voltage from 1.23V to 37V

Output current up to 1A

Switching frequency of 52kHz

Operates over a wide input voltage range of 4.75V to 40V

High efficiency up to 90%

Low quiescent current of 5mA

Thermal shutdown and current limit protection

Soft-start function for inrush current limiting

Product Advantages

Simple, easy-to-use design

Compact package size

Robust protection features

Wide input voltage and output current range

Key Technical Parameters

Input Voltage Range: 4.75V to 40V

Output Voltage Range: 1.23V to 37V

Output Current: Up to 1A

Switching Frequency: 52kHz

Efficiency: Up to 90%

Quality and Safety Features

Thermal shutdown protection

Current limit protection

RoHS3 compliant

Compatibility

Suitable for a wide range of DC-DC conversion applications

Application Areas

Power supplies for consumer electronics

Industrial control systems

Automotive electronics

Product Lifecycle

The LM2575IN is an active product, with no planned discontinuation.

Replacement or upgrade options are available from Texas Instruments.

Key Reasons to Choose This Product

Excellent performance and efficiency across a wide input voltage and output current range

Robust protection features for reliable operation

Simple, easy-to-use design for quick integration

Wide availability and long-term support from Texas Instruments