DC-DC Buck Converter NOUVCOO 6 Pack LM2596S Step Down Module 3_2-40V to 1_25-35V Power SupplyNZ01

NOUVCOO DC-DC Buck Converter’s Specification: Input: DC3. 2V 40Vinput voltage must be 1. 5 V higher than the output voltage, no boost Output: DC1. 25V 35V , voltage is continuously adjustable Maximum output current: 3 A Output ripple: 1. Connect to power source; 2. Adjust the swirl button on the blue potentiometer; 3. Monitor voltage with multimeter to get the needed voltage. Warm Prompt 1. We have tested these voltages, they are very high at the maximum voltage By default, takes about 15-20 turns before the voltage starts ramping down; 2. When the output is below 2A, it is not necessary to add a heat sink for a long time. However, when the output current is higher than 2. 5A (or the output power is higher than 10W) for a long time, please add a heat sink. Actually tested when 12V input, 5V output, current 1A, load regulation rate is less than 1%. The input and output interface can not be reversed. It is a buck module, the input voltage must be higher than the output voltage.