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.