D-K381C8 Datasheet (DP) - Non-isolated Quasi-Resonant Buck LED Power Switch

D-K381C8, Non-isolated Quasi-Resonant Buck LED Power Switch

D-K381C8 is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications.

The IC has built in output Over Voltage Protection (OVP).

D-K381C8 combines a 500V power MOSFET switch with a power controller in one chip.

The IC also in

D-K381C8 Features

* Proprietary Output OVP Protection

* Integrated with 500V MOSFET

* No Auxiliary Winding Needed

* Quasi-Resonant for High Efficiency

* Built-in Thermal Foldback

* Built-in Charging Circuit for Fast Start-Up

* ±4% CC Regulation

* Very Low VDD Operation Current

* Bu