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/Title (NCL30030 - Combination Power Factor Correction and Quasi-Resonant Flyback Controllers for LED Lighting)
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ON Semiconductor
NCL30030 - Combination Power Factor Correction and Quasi-Resonant Flyback Controllers for LED Lighting
This combination IC integrates power factor correction (PFC) and
quasi−resonant flyback functionality necessary to implement a
compact and highly efficient LED driver for high performance LED
lighting applications.
The PFC stage utilizes a proprietary multiplier architecture to
achieve low harmonic distortion and near−unity power factor while
operating in a Critical Conduction Mode (CrM). The circuit
incorporates all the features necessary for building a robust and
compact PFC stage while minimizing the number of external
components.
The quasi−resonant current−mode flyback stage features a
proprietary valley−lockout circuitry, ensuring stable valley switching.
This system works down to the 4th valley and toggles to a frequency
foldback mode with a minimum frequency clamp beyond the 4th
valley to eliminate audible noise. Skip mode operation allows
excellent efficiency in light load conditions while consuming very low
standby power consumption.
2015-03-05T16:07:44-07:00
BroadVision, Inc.
2020-09-14T15:37:28+02:00
2020-09-14T15:37:28+02:00
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