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

Datasheet Summary

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 ON Semiconductor
File Size 1.04 MB
Description Combination Power Factor Correction and Quasi-Resonant Flyback Controllers
Datasheet download datasheet NCL30030 Datasheet
Additional preview pages of the NCL30030 datasheet.

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Full PDF Text Transcription

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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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