FAN501A — Offline DCM / CCM Flyback PWM Controller for Charger Applications April 2014 FAN501A Offline DCM / CCM Flyback PWM Controller for Charger Applications Features  WSaver® Technology Provides Ultra-Low Standby Power Consumption for Energy Star’s 5-Star Level (30 mW)  Constant-Current (CC) Control without Secondary-Side Feedback Circuitry for Discontinuous Conduction Mode (DCM) and Continuous Conduction Mode (CCM)  Dual-Frequency Function Changes Switching Frequency (140 kHz / 85 kHz) According to Input Voltage to Maximize Transformer Utilization and Improve Efficiency  High Power Density and High Conversion Efficiency in CCM Compact Charger Applications  Frequency Hopping to ...

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