onsemi NCP1013AP100G, PWM Controller, 10 V, 100 kHz 7-Pin, PDIP

Built-in 700V MOSFET with Typical RdsON of 11 or 22 Ohms
Large Creepage Distance between High-Voltage Pins
Current- Mode Fixed Frequency Operation: 65kHz - 100kHz - 130kHz
Skip-Cycle Operation at Low Peak Currents Only: No Acoustic Noise!
Dynamic Self-Supply, No Need of an Auxiliary Winding
Internal 1ms Soft-Start
Auto-Recovery Internal Output Short-Circuit Protection
Latched Overvoltage Protection with Auxiliary Winding Operation
Frequency Jittering for better EMI Signature
Below 100 mW Standby Power if Auxiliary Winding is Used
Internal Temperature Shutdown
Direct Optocoupler Connection
SPICE Models Available for Transient AC analysisEnd Products
Low Power AC/DC Adapter for Chargers
Applications
Auxiliary Power Supplies