36V 4W No-Opto Isolated Flyback Converter Features: 4V to 36V Input Voltage Range 1.2A, 65V Internal DMOS Power Switch Low Quiescent Current Boundary Mode Operation at Heavy Load Low-Ripple Burst Mode® Operation at Light Load Minimum Load <0.5% (Typ) of Full Output VOUT Set with a Single External Resistor No Transformer Third Winding or Opto-Isolator Required for Regulation Accurate EN/UVLO Threshold and Hysteresis Internal Compensation and Soft-Start Output Short-Circuit Protection 5-Lead TSOT-23 Package