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NCP1632 Datasheet Interleaved 2-phase Power Factor Controller

Manufacturer: onsemi

Overview: DATA SHEET www.onsemi.com Power Factor Controller, Interleaved, 2-Phase NCP1632 The NCP1632 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 NCP1632 drivers are 180° phase shifted for a significantly reduced current ripple.

Key Features

  • necessary for building robust and compact interleaved PFC stages, with a minimum of external components. General Features.
  • Near.
  • Unity Power Factor.
  • Substantial 180° Phase Shift in All Conditions Including Transient Phases.
  • Frequency Clamped Critical Conduction Mode (FCCrM) i. e. , Fixed Frequency, Discontinuous Conduction Mode Operation with Critical Conduction Achievable in Most Stressful Conditions.
  • FCCrM Operation Optimizes the PFC Stage Efficiency Ov.

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