LM2596 DC-DC Buck Converter Module – Adjustable Step-Down Power Supply

The LM2596 DC-DC Buck Converter Module is a compact and efficient step-down voltage regulator that allows you to convert a higher DC input voltage to a lower, adjustable output voltage. It uses the LM2596 switching regulator IC, which provides high conversion efficiency and reliable output.

With an input voltage range of 4V to 40V and an adjustable output of 1.25V to 37V, this module is ideal for powering microcontrollers, sensors, LEDs, battery charging systems, and other low-voltage electronic devices.

The onboard multi-turn potentiometer lets you fine-tune the output voltage with precision, and the onboard LED indicator shows power status.

🔧 Key Features:

• Input Voltage: 4V – 40V DC

• Output Voltage: 1.25V – 37V DC (adjustable)

• Output Current: Up to 2A (rated), 3A max (with proper cooling)

• Conversion Efficiency: Up to 92%

• Switching Frequency: 150 kHz

• Voltage Regulation: ±0.5%

• Built-in thermal shutdown and current limit protection

• Compact size for easy integration

• Power LED indicator

📦 Applications:

• Power supply for Arduino, ESP32, Raspberry Pi, etc.

• Battery-powered systems

• LED drivers and strip controllers

• DIY electronics and robotics projects

• Solar charging and battery bank regulation

• Voltage step-down for sensors and displays

This module is a must-have in any maker’s toolkit, offering a reliable way to safely power components from a higher-voltage power source.