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FL103 - Primary-Side-Regulation PWM Controller

General Description

This third-generation Primary-Side-Regulation (PSR) and highly integrated PWM controller provides

Key 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).

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Other Datasheets by Fairchild (now onsemi)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 (TSD) Protection  Available in the 8-Lead SOIC Package  Application Voltage Range: 80 VAC ~ 308 VA