FL103 — Primary-Side-Regulation PWM Controller for LED Illumination FL103 Primary-Side-Regulation PWM Controller for LED Illumination Features  Low Standby Power: 30 mW  High-Voltage Startup  Few External Component Counts  Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry  Green-Mode: Linearly-Decreasing PWM Frequency  Fixed PWM Frequency at 50 kHz and 33 kHz with Frequency Hopping to Solve EMI Problems  Peak-Current-Mode Control in CV Mode  Cycle-by-Cycle Current Limiting  VDD Over-Voltage Protection (OVP)  VDD Under-Voltage Lockout (UVLO)  Adjustable Brownout Detector  Gate Output Maximum Voltage Clamped at 15 V  Thermal Shutdown ...

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