Name : LM2596 DC-DC Buck module
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:
1. 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. Cant booster)
2. the range of output voltage: 1.25 V dc to 35 V voltage adjustable high efficiency (92%) largest maximum output current is 3A.

Instructions:
1. Power (3-40V) power indicator light the module is working properly.

2. Adjust the blue potentiometer knob (clockwise rotation generally boostcounter-clockwise rotationTurn down) and reach with a multimeter to monitor the output voltage required voltage.

Note:

Current work long hours is recommended for use in less than 2.5A while adding bulkHeat sink (10W output above)because it is the step-down module in order to ensure stable output Setplease keep the minimum 1.5V differential.