Specifications:

Internal Avalanche Rugged 700V SenseFET
Consumes Only 0.8W at 230V
AC
& 0.5W Load with
Burst-Mode Operation
Precision Fixed Oper
ating Frequency: 100kHz
Internal Startup Circuit and Built-in Soft-Start
Pulse-by-Pulse Current Limiting, Auto-Restart Mode
Over-Voltage Protection (OVP), Overload
Protection (OLP), Internal Thermal Shutdown
Function (TSD)
Under-Voltage Lockout (UVLO)
Low Operating Current: 3mA
Adjustable Peak Current Limit