Features • Single Chip 700V Sense FET Power Switch for 7DIP • Precision Fixed Operating Frequency (134KHz) • FSD200B Consumes Under 0.1W at 265VAC & No Load with Advanced Burst-Mode Operation • Internal Start-up Circuit • Pulse-by-Pulse Current Limiting • Over Load Protection (OLP) • Internal Thermal Shutdown Function (TSD) • Auto-Restart Mode • Under Voltage Lockout (UVLO) with Hysteresis • Built-in Soft Start • Frequency Modultation for EMI Reduction • FSD200B Does Not Require an Auxiliary Bias Winding