DC-DC 7-35V to 1.25-30V CC CV LED Driver Buck Converter Power Supply Charging Step Down Module

Specifications Input voltage 7 35VOutput voltage 1 25 30VOutput Current Max 3A If more than 15W please install the heat sink this item do not include heat sink Constant current range 0 3A adjustable Min Voltage pressure 2VOutput power natural cooling 15WConversion efficiency 85 the higher the output voltage the higher the efficiencyOperating Temperature Industrial 40c to 85c if ambient temperature exceeds 40 c please lower power use or to enhance heat dissipation Full load temperature rise 45cNo load Current typical 10mA 12V to 4 2V Load Regulation 1 Voltage Regulation 0 5 Current Accuracy and temperature Actual Testing Temperature changes from 20 degrees To 100 degrees Constant current value change Less than 1 constant current value 1A Dynamic response speed 5 200uSPotentiometer adjustment direction Clockwise increase Counterclockwise decrease Indicator LED Charging LED Red Full Charge LED GreenOutput Short circuit Protection YESInput Reverse Polarity Protection YESOutput Prevent Countercurrent YES Battery Charging Method 1 Make sure the recharge battery float voltage and charge current input voltage of the module 2 adjust constant voltage regulator the output voltage about 3V 3 With a multimeter to 10A Measuring output Short circuit current Also adjust the constant regulator allows Output current gets a predetermined charge current value 4 Adjust Constant regulator allows Output voltage gets the float voltage 5 connect