LM2596S DC-DC Step Down Buck A...

Description Description: Input voltage :4V ~ 35V The output voltage : 1.23V ~ 30V Output Current :3A( Max) Conversion efficiency:92%( MAX ) Output ripple: <30mV Switching frequency: 150KHz Working temperature: -forty Five~ 85 Size :43mm * 21mm * 14mm(Long*Width*Hight)     Features:  The range of input voltage: 3.2 V to 40 V dc (input voltage must be higher than to the output voltage of 1.5 V above. Can’t booster)  The range of output voltage: 1.25 V dc to 35 V voltage adjustable, high efficiency (92%) largest maximum output current is 3A.   Instructions: Power (3-40V), power indicator light, the module is working properly. Adjust the blue potentiometer knob (clockwise rotation generally boost,counter-clockwise rotationTurn down) and reach with a multimeter to monitor the output voltage required voltage.