LM2575S-3.3 - Texas Instruments

Manufacturer Part Number

LM2575S-3.3

Manufacturer

Texas Instruments

Introduction

The LM2575S-3.3 is part of the SIMPLE SWITCHER® series of power management ICs, designed for easy-to-use step-down (buck) voltage regulation.

Product Features and Performance

Integrated 1A output current capability

4V to 40V wide input voltage range

Fixed 3.3V output voltage

52kHz switching frequency

Efficiency optimized for low power loss

Thermal shutdown and current limit protections

Requires minimal external components

Product Advantages

Simplified design with ease of use

Good thermal performance with TO-263 package

Stable operation with built-in frequency compensation

High efficiency reduces system heat generation

Able to drive capacitive loads

Key Technical Parameters

Input Voltage Range: 4V to 40V

Output Voltage: 3.3V (fixed)

Output Current: 1A

Switching Frequency: 52kHz

Operating Temperature Range: -40°C to 125°C

Buck converter topology for step-down voltage regulation

Quality and Safety Features

Thermal shutdown protection

Overcurrent protection

Under-voltage lockout

Compatibility

Surface mount TO-263-6 package compatible with various PCB layouts

Application Areas

Consumer electronics

Office automation

Telecommunications

Power supplies and adapters

Product Lifecycle

Last Time Buy status

Alternatives or upgrades may be available

Several Key Reasons to Choose This Product

Proven reliability as part of the SIMPLE SWITCHER® series

Easy integration reducing design complexities

Versatility due to wide input voltage range

Fixed output version eases the design process

Texas Instruments' strong support and resources

Suitable for a wide range of applications due to robust operating temperature range