Primary-Side Startup Controller
ą D Operates With Secondary-Side PWM Control D Receives Isolated PWM Command Through a Pulse-Edge-Transformer D Initial Free-Running Soft-Start Up with Duty-Cycle Clamping D Up to 400-kHz Synchronizable Switching Frequency D High-Current FET Drive (1.5-A Sink, 0.75-A Source) D Overcurrent Protection D Undervoltage Lockout with 2-V Hysteresis D Low-Current St...
Unitrode