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NCP1653 - Continuous Conduction Mode PFC Controller

General Description

1 FB / SD Feedback / This pin receives a feedback current IFB which is proportional to the PFC circuit output voltage.

protection (UVP).

Key Features

  • The NCP1653 is a driver for robust and compact PFC stages. Features.
  • IEC1000.
  • 3.
  • 2 Compliant.
  • Continuous Conduction Mode.
  • Average Current.
  • Mode or Peak Current.
  • Mode Operation.
  • Constant Output Voltage or Follower Boost Operation.
  • Very Few External Components.
  • Fixed Switching Frequency: 67 kHz = NCP1653A, Fixed Switching Frequency: 100 kHz = NCP1653.
  • Soft.
  • Start Capability.
  • VCC Undervoltage.

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Datasheet Details

Part number NCP1653
Manufacturer onsemi
File Size 219.53 KB
Description Continuous Conduction Mode PFC Controller
Datasheet download datasheet NCP1653 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NCP1653, NCP1653A Compact, Fixed-Frequency, Continuous Conduction Mode PFC Controller The NCP1653 is a controller designed for Continuous Conduction Mode (CCM) Power Factor Correction (PFC) boost circuits. It operates in the follower boost or constant output voltage in 67 or 100 kHz fixed switching frequency. Follower boost offers the benefits of reduction of output voltage and hence reduction in the size and cost of the inductor and power switch. Housed in a DIP−8 or SO−8 package, the circuit minimizes the number of external components and drastically simplifies the CCM PFC implementation. It also integrates high safety protection features. The NCP1653 is a driver for robust and compact PFC stages.