Part FAN103
Description Primary-Side-Regulation PWM Controller
Manufacturer Fairchild Semiconductor
Size 0.97 MB
Fairchild Semiconductor
FAN103

Overview

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, TURECURRENTâ„¢, of FAN103 enables precise CC regulation and simplified circuit for battery charger applications.

  • 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