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Fairchild Semiconductor

Fairchild FLS3217 PFC PSR Offline LED Drivers

Fairchild's FLS3217 PFC PSR Offline LED Drivers are a highly integrated PWM controller with power MOSFET that provides features to enhance the performance of low-power flyback converters. The proprietary topology enables simplified design for LED lighting applications. By using the single-stage topology with primary-side regulation, an LED lighting board can be implemented with the few external components and minimized cost; requiring no input bulk capacitor or feedback circuitry.
Features
  • Cost-Effective Solution without Input Bulk Capacitor and Feedback Circuitry
  • Power-Factor Correction (PFC)
  • Integrated Power MOSFET
  • Accurate Constant-Current (CC) Control Independent Online Voltage, Output Voltage, and Magnetizing Inductance Variation
  • Linear Frequency Control for Increased Efficiency
  • Open / Short-LED Protection
  • Cycle-by-Cycle Current Limiting
  • Over-Temperature Protection with Auto Restart
  • Low Startup Current: 20µA
  • Low Operating Current: 5mA
  • VDD Over-Voltage Protection (OVP)
  • VDD Under-Voltage Lockout (UVLO)
  • Application Voltage Range: 80VAC~308VAC
  • 8mm creepage and clearance distances

Applications
  • LED Lighting System


Additional Resources

RD-L041 6.5W Reference Design
RD-L040 3.5W Reference Design
Block Diagram
Block Diagram
  • Fairchild Semiconductor
  • Lighting
  • LED Drivers|Semiconductors|Integrated Circuits|Driver ICs
Inilathala: 0001-01-01 | Na-update: 0001-01-01