main feature

 Internally integrated high-voltage 500V MOSFET

 Quasi-resonant working mode improves system efficiency

 ±4% constant current accuracy

 Ultra-low operating current

 No auxiliary winding design

 Integrated high-voltage current source improves startup speed

 Integrated line voltage compensation optimized adjustment rate

 Integrated overheating power compensation

 Internal protection function:

 LED short circuit protection

 Chip overheating protection

 Cycle-by-cycle current limit

 Leading edge blanking

 Pin suspension protection

 VDD pin undervoltage protection

 Package type SOP-8