Prema PR4404 is suitable for 0.5W / 1W power LED low voltage boost driver, from single cell ( 1.2V / 1.5V ) with high 150mA LED tube current to or from the two batteries ( 2.4V / 3.0V ) with high 300mA LED current. Therefore, PR4404 can be widely used in LED torch, LCD screen […] ↓ Read the rest of this entry…