FAN103 — Primary-Side-Regulation PWM Controller
October 2009
FAN103 Primary-Side-Regulation PWM Controller
Features
Low Standby Power Under 30mW High
Voltage Startup Fewest External Component Counts Constant-
Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry Green-Mode Function: Linearly-Decreasing PWM Frequency Fixed PWM Frequency at 50kHz with Frequency Hopping to Solve EMI Problem Cable Compensation in CV Mode Peak-Current-Mode Control in CV Mode Cycle-by-Cycle Current Limiting VDD Over-
Voltage Protection with Auto Restart VDD Under-
Voltage Lockout (UVLO) Gate Output Maximum
Voltage Clamped at 15V Fixed Over-Temperature Protec...