D-K381C8 Datasheet (data sheet) PDF





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

D-K381C8   D-K381C8  

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D-K381C8 Non-isolated Quasi-Resonant Bu ck LED Power Switch with OVP FEATURES  Proprietary Output OVP Protection Integrated with 500V MOSFET  No A uxiliary Winding Needed  Quasi-Reson ant for High Efficiency  Built-in Th ermal Foldback  Built-in Charging Ci rcuit for Fast Start-Up  ±4% CC Reg ulation  Very Low VDD Operation Curr ent  Built-in AC Line CC Compensatio n  Build in Protections:  LED Sho rt/Open Protection  On-Chip Thermal Fold-back (OTP)  Cycle-by-Cycle Curr ent Limiting  Leading Edge Blanking (LEB)  Pin Floating Protection  V DD UVLO  Available with SOP8 Package APPLICATIONS  LED Lighting TYPICAL APPLICATION CIRCUIT GE

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

D-K381C8   D-K381C8  
NERAL DESCRIPTION D-K381C8 is a highly i ntegrated power switch with Quasi-Reson ant Buck (QR-Buck) constant current (CC ) control for LED lighting applications . The IC has built in output Over Volta ge Protection (OVP). D-K381C8 combines a 500V power MOSFET switch with a power controller in one chip. The IC also in








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