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FAN301 — PWM Controller for Low Standby Power Charger Applications
July 2010
FAN301
PWM Controller for Low Standby Power Charger Applications
Features
Ultra-Low Standby Power Under 20mW at 264VAC Constant-Current (CC) Control without SecondaryFeedback Circuitry Green Mode: PWM Frequency Linearly Decreasing Fixed PWM Frequency at 45kHz with Frequency Hopping to Solve EMI Problems High-Voltage Startup Low Operating Current: 3mA Peak-Current-Mode Control in CV Mode Cycle-by-Cycle Current Limiting VDD Over-Voltage Protection (Auto-Restart) VDD Under-Voltage Lockout (UVLO) Gate Output Maximum Voltage Clamped at 15V Fixed Over-Temperature Protection (Auto-Restart)
Description
This highly integrated PWM controller, FAN301, provides features to enhance the performance of