Patent ID: 9532421
Filing Date: 2016-12-27
CPC Classification: H05B

Claim Text:
1. A LED driving device, comprising: a conversion unit comprising at least one first switch to convert an Alternating Current (AC) or Direct Current (DC) input into a DC output that comprises an output current and an output voltage; a dimming switch circuit electrically coupled to the conversion unit and a load, and comprising at least one second switch; and a control unit electrically coupled to the conversion unit and the dimming switch circuit and having a first input terminal to receive a first signal that represents the output voltage, a second input terminal to receive a second signal that represents the output current, a third input terminal to receive a dimming signal, a first output terminal to output a first driving signal to the at least one second switch, and a second output terminal to output a second driving signal to the at least one first switch; wherein the control unit comprises: