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Home » NEWEST Products » New by Manufacturer » ON Semiconductor » ON Semi NCL3008x Primary-Side Current-Mode Controllers
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ON Semiconductor NCL3008x Primary-Side Current-Mode Controllers

ON Semiconductor NCL3008x Primary-Side
Current-Mode Controllers

ON Semiconductor's NCL3008x Primary-Side Current-Mode Controllers are PWM current mode controllers targeting isolated flyback and non-isolated constant current topologies. The controllers operate in a quasi-resonant mode to provide high efficiency. Thanks to a novel control method, these devices are able to precisely regulate a constant LED current from the primary side. This removes the need for secondary-side feedback circuitry, biasing and an optocoupler.

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Features
  • Primary side sensing
  • Wide Vcc range
  • Precise LED current regulation of 1% typical
  • ~0.9 pF with passive valley fill
  • Open and shorted output protection
  • Secondary diode short protection
  • Wide temperature range of –40 to 125°C
  • Shorted current sense fault detection
  • Input line voltage sensing
  • Auto-recoverable (B-version) and latched (A-version) fault handling

  • User programmable thermal foldback (in NCL30082 and NCL 30083)

Applications
  • Integrated LED Drive Electronics
  • LED Bulbs
  • LED Power Supply Drivers
  • LED Light Engines
Part Number Package / Case Input Voltage Operating Frequency Maximum Supply Current Data Sheet
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