DC to DC CC CV step down board is a 300KHz fixed frequency PWM buck (step-down) DC/DC module, capable of driving a 5A load with high efficiency, low ripple and excellent line and load regulation.XL4015 E1 power converter is high power, high efficiency, 5A high current output, low ripple with power indicator.Input range: DC 8 V - 36 V, output range: DC 1.25 V - 32 V, over temperature protection; short circuit protection; Current limit protection; even if the output is short-circuited, the module will not be damaged.This DC-DC converter can be used to debug multiple system operating voltage ranges, maintain stable output voltage and limit the output current over a range of input voltages.Great for general voltage conversion, battery charging, powering raw LEDs, automotive electronics, battery conversions, micro-controllers, and electronic projects.Non-isolated constant current and constant voltage module , non-synchronous rectificationInput voltage : 8-36V(Please try not to exceed 36V as input)Output voltage : 1.25-32V continuously adjustableOutput current : 0-5A adjustable, recommended for use within 4.5AWorking temperature : -40~+85 degreesWorking frequency : 300KHzOutput power : maximum 75WConversion Efficiency : up to 95%(efficiency related to input,output voltage,current,voltage difference)Output ripple : 50mV (max) 20M bandwidthLoad Regulation : ± 0.5%Voltage Regulation : ± 2.5%Short circuit protection : YesOver temperature protection : Yes (automatically turn off the output after over temperature)Input reverse connection protection : None (If necessary, please input a large current diode in the input string)Wiring method : Terminal block or solder, IN is input, OUT is outputsize:5.1x2.6x1.5cmMaterial:ABScolour:As shownPackage Contents:10 x Down Charging BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.