LM2576T-3.3 - onsemi

Manufacturer Part Number

LM2576T-3.3

Manufacturer

Texas Instruments

Introduction

The LM2576T-3.3 is a buck regulator from Texas Instruments designed for Power Management, specifically in DC DC Switching Regulators.

Product Features and Performance

Step-Down functionality

Positive Output Configuration

Operates with Buck topology

Fixed Output Type

Single Output

Switching Frequency at 52kHz

Non-Synchronous Rectifier

Operating Temperature range from -40°C to 125°C

Product Advantages

High efficiency voltage reduction

Capable of delivering up to 3A output current

Wide input voltage range from 4V to 40V, suitable for various applications

Thermal shutdown and current limit protection enhance the safety

TO-220-5 package suitable for through-hole mounting

Key Technical Parameters

Input Voltage: 4V to 40V

Output Voltage: 3.3V

Output Current: 3A

Switching Frequency: 52kHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built-in thermal shutdown

Current limiting

Over-temperature protection

Compatibility

General compatibility with applications requiring a fixed 3.3V output from a higher voltage source

Application Areas

Consumer electronics

Computer systems

Industrial equipment

Telecommunications

Product Lifecycle

Obsolete product status

Potential need to seek replacements or evaluate upgrades for future designs

Several Key Reasons to Choose This Product

Robust output current of 3A for heavy-load applications

Wide input range accommodating various input sources

Integrated safety features reduce risk of damage from overloads and excessive temperature

TO-220-5 package facilitates easy integration into a variety of designs

Ideal for use in mature products not requiring cutting-edge technology due to its obsolescence