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NCP1631

Part Number	NCP1631
Manufacturer	ON Semiconductor
Description	2-Phase Power Factor Controller
Published	Sep 13, 2009
Detailed Description	NCP1631 Interleaved, 2-Phase Power Factor Controller The NCP1631 integrates a dual MOSFET driver for interleaved PFC ...
Datasheet	NCP1631 PDF File

Overview

NCP1631 Interleaved, 2-Phase Power Factor Controller The NCP1631 integrates a dual MOSFET driver for interleaved PFC applications.
Interleaving consists of paralleling two small stages in lieu of a bigger one, more difficult to design.
This approach has several merits like the ease of implementation, the use of smaller components or a better distribution of the heating.
Also, Interleaving extends the power range of Critical Conduction Mode that is an efficient and cost−effective technique (no need for low trr diodes).
In addition, the NCP1631 drivers are 180° phase shift for a significantly reduced current ripple.
Housed in a SOIC16 package, the circuit incorporates all the features neces...

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