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ON Semiconductor

 

The NCL30170 from ON Semiconductor is a linear, constant-current LED controller for use in smart lighting and phase-cut dimming systems.

The controller manages multiple LED channels in series using ON Semiconductor’s proprietary auto-commutation topology. It off ers highly accurate regulation of the constant-current output, as well as giving a high power factor of 0.99 and total harmonic distortion of less than 10%.

When designers use the NCL30170 to implement a direct AC LED driver circuit, they can achieve a very low system bill-of-materials cost as well as robust driver performance. The device provides a wide analog dimming range down to 5% of maximum brightness with a linear dimming curve. In phase-cut dimming applications, input-current shape modulation provides both a good power factor and excellent dimmer compatibility.

Features
  • High-voltage start-up
  • Flexible selection of the number of LED channels
  • Single controller for LED arrays rated up to 300W
  • Over-voltage protection
  • Short-circuit protection
  • Thermal shut-down protection
Applications
  • Smart and connected lighting systems
  • Indoor and outdoor LED lighting

 

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