17 Ago 10PCS mini 10W DC-DC 6V 8.4V 12V 12.8V 20V to 3.3V 4.2V 5V Buck Converter Module
10 PCS 2A DC 4.5V-27V to DC 3.3V 4.2V 5V Buck Converter Module. DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 78-93%. efficiency is 79-93%. 3 Input power must be greater than the output power, because the power consumption of the module itself....