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FL7732 - Single-Stage PFC Primary-Side-Regulation Offline LED Driver

Description

This highly integrated PWM controller provides several

Features

  • Cost-Effective Solution: No Input Bulk Capacitor or Feedback Circuitry.
  • Power Factor Correction.
  • Accurate Constant-Current (CC) Control, Independent Online Voltage, Output Voltage, and Magnetizing Inductance Variation.
  • Linear Frequency Control Improves Efficiency and Simplifies Design.
  • Open-LED Protection.
  • Short-LED Protection.
  • Cycle-by-Cycle Current Limiting.
  • Over-Temperature Protection with Auto Restart.
  • Low Startup Current: 20 μA.
  • Low Operati.

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Full PDF Text Transcription

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FL7732 — Single-Stage PFC Primary-Side-Regulation Offline LED Driver October 2012 FL7732 Single-Stage PFC Primary-Side-Regulation Offline LED Driver Features  Cost-Effective Solution: No Input Bulk Capacitor or Feedback Circuitry  Power Factor Correction  Accurate Constant-Current (CC) Control, Independent Online Voltage, Output Voltage, and Magnetizing Inductance Variation  Linear Frequency Control Improves Efficiency and Simplifies Design  Open-LED Protection  Short-LED Protection  Cycle-by-Cycle Current Limiting  Over-Temperature Protection with Auto Restart  Low Startup Current: 20 μA  Low Operating Current: 5 mA  VDD Under-Voltage Lockout (UVLO)  Gate Output Maximum Voltage Clamped at 18 V  SOP-8 Package  Application Voltage Range: 80 VAC ~ 308 VAC Applications  LED
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