Product Description5V To 3.3V DC-DC Step-Down Power Supply Buck Module AMS1117 800MA Features: Size: 8.6 x 12.33 mm Input voltage: DC 4.2 V – 10 V Output: 3.3 V, 800 mA Note: 1.Boost modules or buck module indicate the operating voltage, Please do not exceed operating voltage, or it will be damaged easily! 2.Boost module output voltage can only be ...