BUY TOP246YN https://www.utsource.net/itm/p/11547333.html

Description: TOPSwitch-GX, Off-Line Switcher IC, High Performance, Low Cost Features: Low Standby Power Low Operating Power High Efficiency Low Component Count Low Cost Overvoltage Protection Overcurrent Protection Thermal Shutdown Frequency Foldback Internal Soft Start Internal Slope Compensation Internal Current Limiting Low Start-Up Current Low Operating Current Internal High Voltage Switch Internal High Voltage Start-Up Circuit Internal High Voltage Current Limiting Internal High Voltage Overvoltage Protection Internal High Voltage Overcurrent Protection Internal High Voltage Thermal Shutdown Internal High Voltage Frequency Foldback Internal High Voltage Soft Start Internal High Voltage Slope Compensation Applications: AC/DC Adapters Battery Chargers Power Supplies Portable Electronics White Goods Motor Control Lighting (For reference only)