·Integrated 100V Start Circuit 

·Programmable Switching Frequency 

·Built-in Current Slope Compensation 

·LINE Under Voltage Lockup and Over  Voltage Lockup 

·Zero Load Adjustment 

·Built-in 0.8Ω 150V Power Switch 

·Set the Maximum Duty-cycle through LINE 

·Built-in Soft Start 

·OVP and OCP Protection and Auto-retry 

·Thermal Shutdown 

·ESOP8 Package