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A Bright Idea from Power Integrations for LED Lighting Applications
To speed development of your next ENERGY STAR-compliant LED driver, use this reference design from Power Integrations.
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Single-stage PFC AC/DC converter with constant current output, operates with simple phase-angle dimming:

  • 20 W using the efficient TOP247YN IC from PI, achieves a Power Factor >0.9
  • Upgradeable to 75 W using TOP250YN
  • Minimizes RMS current when dimmed, maximizing LEDs’ lumen/watt efficiency
DER-167 Design Example Report Download the design report DER-167 for details
  

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Datasheets, quotes, and samples:
Product Details/AvailabilityDescriptionQuote / Sample
TOP247YN 125 W (85-265 VAC) 165 W (230 VAC) Quote/
Sample Buy Now
TOP250YN 210 W (85-265 VAC) 290 W (230 VAC) Quote/
Sample Buy Now
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