منظم جهد ثابت الخرج 5 فولت موديل: LM2576-5

Product Overview

The LM2576-5 is a fixed 5V step-down (buck) switching voltage regulator, designed for efficient DC-DC power conversion. It provides a stable 5V output with a maximum current of 3A, making it ideal for powering microcontrollers, sensors, and other electronic components. Featuring high efficiency (up to 77%), built-in thermal shutdown, and current limiting protection, it ensures reliable and safe operation in various applications.

Key Features:

• Fixed 5V Output – Provides a regulated 5V DC supply.


• High Output Current – Supports up to 3A continuous load.


• Efficient DC-DC Conversion – Achieves up to 77% efficiency, reducing power loss.


• Integrated Thermal Shutdown & Current Limiting – Prevents overheating and overcurrent damage.


• Fixed Switching Frequency – Operates at 52kHz for stable performance.


• Low Component Count – Requires minimal external components for easy implementation.


• Standard TO-220 Package – Ensures efficient heat dissipation and easy mounting.

Technical Specifications:

• Input Voltage Range: 7V – 40V


• Output Voltage: 5V (fixed)


• Maximum Output Current: 3A


• Efficiency: Up to 77%


• Switching Frequency: 52kHz


• Dropout Voltage: Typically 1.5V at full load


• Protection Features: Thermal shutdown, current limiting


• Package Type: TO-220-5

Applications:

• Microcontroller Power Supply – Ideal for powering Arduino, Raspberry Pi, and other development boards.


• Battery-Powered Systems – Efficient voltage regulation for portable devices.


• Embedded Electronics – Provides a stable 5V supply for sensors and modules.


• Automotive Electronics – Powers 5V circuits in vehicles.


• Industrial & Consumer Electronics – Used in various low-voltage applications.

Why Choose the LM2576-5?

The LM2576-5 offers high-efficiency 5V regulation, making it a reliable choice for DC-DC power supply applications. With built-in protection features, low component requirements, and a high output current, it is an excellent solution for engineers and hobbyists designing power circuits.