Great IT High Quality 1PCS 5V to 3.3V For DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA
 
Features:    
   
Size:8.6mm x 12.33mm
Input voltage: For DC 4.2 V-10 V
Output: 3.3 V, 800 mA
Kindly note:    
1.Boost modules or buck module indicate the operating voltage, Please donot exceed operating voltage , or it will be damaged easily !
2.Boost module output voltage can only be greater than or equal to input voltage, cannot be less than the input voltage!
3.Buck module input voltage must be higher than output voltage of 1.5V or 2V, otherwise it can not output enough power!
4.Automatic Adjustable Boost or Buck module has start voltage and limit working voltage, Please donot exceed them , or it will be damaged easily !
5.Cannot reverse polarity , or it will be short circuit, or will be  born easily 
 
 
 
 
 
 
 
 
   
 
 
 
 
32775783820 - greatit