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40.5 W, High PF (>0.95) Driver for LED Streetlight

PI is pleased to offer DER-340, a design for a non-isolated high power factor (PF) LED driver for streetlights. This new design drives a nominal LED string voltage of 54 V at 750 mA from an input voltage range of 90 VAC to 300 VAC. The LED driver utilizes the LNK419EG from the LinkSwitch™-PH family of ICs.

Features include:

  •     Highly energy efficient
    •         >88% at 230 VAC
    •         >87% at 120 VAC
    •         <2% line and load regulation
    •         <5% IOUT tolerance
  •     Low cost, low component count and small, single-sided printed circuit board
  •     Frequency jitter allows smaller, lower cost EMI filter
  •     Integrated protection and reliability features
    •         Output open circuit / output short-circuit protected with auto-recovery
    •         Line input overvoltage shutdown extends voltage withstand during line faults
    •         Auto-recovering thermal shutdown with large hysteresis protects both components and printed circuit board
  •     IEC 61000-4-5, IEC 61000-3-2 Class C, and EN55015 B conducted EMI compliant

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