LM2576-ADJ

Product Overview

The LM2576-ADJ is an adjustable step-down (buck) switching voltage regulator that provides high-efficiency power conversion with a simple design. It delivers an adjustable output voltage from 1.23V to 37V with a maximum output current of 3A, making it ideal for DC-DC power supply applications. With built-in thermal shutdown, current limiting, and high efficiency up to 77%, it is a reliable choice for various electronic and industrial power systems.

Key Features:

• Adjustable Output Voltage – Ranges from 1.23V to 37V for versatile applications.
• 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 – Protects against overheating and overload conditions.
• 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: 4V – 40V
• Output Voltage Range: 1.23V – 37V (adjustable)
• 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:

• DC-DC Power Supplies – Converts high voltage to stable low voltage.
• Battery-Powered Systems – Efficient power regulation for portable devices.
• Industrial Electronics – Used in embedded power supply circuits.
• Arduino & Microcontroller Projects – Provides stable voltage regulation for development boards.
• Automotive Electronics – Powers various low-voltage automotive circuits.

Why Choose the LM2576-ADJ?

The LM2576-ADJ is a cost-effective and high-efficiency DC-DC voltage regulator, suitable for a wide range of power supply applications. Its adjustable output, built-in protection features, and high current capability make it a great choice for both professional and hobbyist projects.