This post explains for the semiconductor FAN103.
The Part Number is FAN103.
The function of this semiconductor is Primary-Side-Regulation PWM Controller.
Manufacturers : Fairchild Semiconductor
Preview images :
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 Protection with Auto Restart Available in the 8-Lead SOP Package Description This third-generation Primary-Side-Regulation (PSR) and highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters. The proprietary topology, TURECURRENT […]