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NCP1601A - Power Factor Correction Controller

Datasheet Summary

Description

This pin receives a current IFB which is proportional to the PFC circuit output voltage.

Features

  • that make the NCP1601 suitable for robust and compact PFC stages. Features.
  • Near- Unity Power Factor in DCM or CRM.
  • Voltage- Mode Operation.
  • Low Startup and Shutdown Current Consumption.
  • Programmable Switching Frequency for DCM.
  • Synchronization Capability.
  • Overvoltage Protection (107% of Nominal Output Level).
  • Undervoltage Protection or Shutdown (8% of Nominal Output Level).
  • Programmable Overcurrent Protection.
  • Thermal Shutdown with Hysteresis (95/140.

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Datasheet preview – NCP1601A

Datasheet Details

Part number NCP1601A
Manufacturer ON Semiconductor
File Size 253.56 KB
Description Power Factor Correction Controller
Datasheet download datasheet NCP1601A Datasheet
Additional preview pages of the NCP1601A datasheet.

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Full PDF Text Transcription

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NCP1601A, NCP1601B Compact Fixed Frequency Discontinuous or Critical Conduction Voltage Mode Power Factor Correction Controller The NCP1601 is a controller designed for Power Factor Correction (PFC) boost circuits. The device operates in fixed- frequency Discontinuous Conduction Mode (DCM) and variable- frequency Critical Conduction Mode (CRM) and takes advantages from both operating modes. DCM limits the maximum switching frequency. It simplifies the front- ended EMI filter design. CRM limits the maximum currents of the boost stage diode, MOSFET and inductor. It reduces the costs and improves the reliability of the circuit. This device substantially exhibits unity power factor while operating in DCM and CRM. The NCP1601 minimizes the required number of external components.
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