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NCL30030 - Combination Power Factor Correction and Quasi-Resonant Flyback Controllers

Description

Pin Out Name Function 1 BO/HV Performs input brown

out detection and line voltage range detection.

2 Removed for creepage distance.

This is the output of the multiplication of the BO and Control signals.

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.

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Datasheet Details

Part number NCL30030
Manufacturer onsemi
File Size 1.04 MB
Description Combination Power Factor Correction and Quasi-Resonant Flyback Controllers
Datasheet download datasheet NCL30030 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.
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