MS + -> Positive; IN ---> Negative;<BR> OUT + -> Positive; OUT ---> Negative<BR> Input Voltage: DC 3-35 V(40V MAX)<BR> Output Voltage: DC 5-40V ( 45V MAX Adjustable) Input Current: 5A (MAX)<BR> Conversion efficiency: 94% (MAX)<BR> Output ripple: 100mv (MAX)<BR> Switching Frequency: 220 kHZ<BR> Working Temperature: Industrial (-40 ° C to + 85 ° C)<BR> Voltage regulation: ± 0.5%<BR> Load regulation: ± 0.5%<BR> Size: Approx 50 * 28 * 13mm (L * W * H)<BR> Package Includes:1 pc XL6019 Boost Module<BR> Instructions:<BR> Input and Output must be connected correctly<BR> Conventional Constant Voltage Output BOOST Fully Integrated Solutions, Integrated MOSFET, Fewer External Components, Smaller Cos System Built-in over temperature protection, full set overcurrent protection circuit reliability, high reliability<BR> TO263-5L standard package, suitable for 30W boost inside applications.<BR> Power (3-35 V), power indicator light, module is working properly.<BR> Adjust the blue knob of the potentiometer (counterclockwise general impulse, buck clockwise rotation) and with a multimeter to monitor the output voltage reaches the required voltage<BR> NOTE: <BR> <BR> Long hours working current is recommended for use at less than 2.5 M, while adding heatsink mass (10 W output above); Because it is boosting the module, in order to ensure stable output, please keep the minimum differential 1.5 V.