PSM-285 Mini DC-DC Car Charging Step Down 5V Power Module
This tiny little circuit was specifically designed for automobile power regulation.
If properly used, this product reduces the danger out of working with car electronics and lets you create useful gadgets.
Simply solder the positive and negative leads to the board and connect to the output to your mobile phone, tablet, mp3 player, GPS, camera, etc.
SPECIFICATIONS:
·Dimensions: 23.6mm(L) x 14.2mm(W) x 4mm(H)
·Input: 6V-23V
·Output: 5V at 3A (Max)
·Efficiency: 92%
·Switching Frequency: 340 kHz