LM2596 3A DC DC Stepdown Buck Converter Module with Display The LM2596 3A DC-DC Stepdown Buck Converter Module with Display is a versatile power supply module that efficiently converts higher DC voltage to a lower, stable output voltage. It supports a current of up to 3A and features an integrated display to monitor real-time output voltage and current. Ideal for various electronics projects, it offers adjustable voltage output from 1.25V to 37V, ensuring compatibility with a wide range of devices. Specifications : Input Voltage: 4V to 40V DC Output Voltage: 1.25V to 37V DC (adjustable) Output Current: Up to 3A Efficiency: Up to 92% Display: Shows output voltage and current Switching Frequency: 150kHz Protection: Overcurrent, overvoltage, and thermal shutdown Size: 60mm x 45mm x 20mm