NCP1937 - Combination Power Factor Correction and Quasi- Resonant Flyback Controllers

Product Overview

ON Semiconductor

Part number	NCP1937
Manufacturer	ON Semiconductor
File Size	1.16 MB
Description	Combination Power Factor Correction and Quasi- Resonant Flyback Controllers
Datasheet	NCP1937 Datasheet
Additional preview pages of the NCP1937 datasheet.

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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Published: Jul 10, 2014 |