XIITIA 4pcs 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power Module Charging LED Drive with Short Circuit Protection

Specifications: Size:60×53×27mm / 2.36×2.08×1.06 inch(L * W * H) Input Voltage: 6V to 40V DC (10V to 40V is suggested) Output Voltage: 1.2V to 36V DC Output Current: 20A (max.), 15A (suggested) Efficiency: 95% (24V to 12V, 20A) Output Ripple: less than 50mV Wiring Method: Terminal Short Circuit Protection: Self-recovery (cannot short circuit for long time) Pins Connection: VO+: Output positive VO-: Output negative +IN: Input positive -IN: Input negative CV: Output voltage adjustment CC: Output current adjustment Note: When input and output is common grounded, no-load CV output constant voltage,CC output constant current