DP D-K381C8
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).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
● Built-in AC Line CC Compensation
● Build in Protections:
● LED Short/Open Protection
● On-Chip Thermal Fold-back (OTP)
● Cycle-by-Cycle Current Limiting
● Leading Edge Blanking (LEB)
● Pin Floating Protection
● VDD UVLO
● Available with SOP8 Package
APPLICATIONS
● LED Lighting TYPICAL APPLICATION CIRCUITGENERAL DESCRIPTION
D-K381C8 combines a 500V power MOSFET switch with a power controller in one chip. The IC also in