5Pcs AMS1117-3.3V/AMS1117-5.0V DC-DC Step-Down Power Supply Buck Module LDO 800mA 5V to 3.3V Power Board

Specification: AMS1117-3.3: Input: DC 4.5V-7V (input voltage must be over 1V higher than output voltage) Output: 3.3V 800mA (Load Current Invariant Energy Over 800mA) The input voltage difference of 1.2V is only 1.2 higher than the output voltage differen