FL663 - Primary-Side-Regulation PWM Controller
FL663 Features
* Low Standby Power: < 30 mW
* High-Voltage Startup
* Few External Component Counts
* Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
* Green-Mode: Linearly-Decreasing PWM Frequency with Cycle skipping.
* Fixed PWM Frequency at 50
