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NCP1608 - PFC Controller Utilizing a Transconductance Error Amplifier

Description

1 FB The FB pin is the inverting input of the internal error amplifier.

A resistor divider scales the output voltage to VREF to maintain regulation.

The feedback voltage is used for overvoltage and undervoltage protections.

Features

  • making it an excellent choice for designing robust PFC stages. It is available in a SOIC.
  • 8 package. General Features.
  • Near Unity Power Factor.
  • No Input Voltage Sensing Requirement.
  • Latching PWM for Cycle.
  • by.
  • Cycle On Time Control (Voltage Mode).
  • Wide Control Range for High Power.

📥 Download Datasheet

Datasheet Details

Part number NCP1608
Manufacturer onsemi
File Size 217.12 KB
Description PFC Controller Utilizing a Transconductance Error Amplifier
Datasheet download datasheet NCP1608 Datasheet

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Full PDF Text Transcription

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NCP1608 Critical Conduction Mode PFC Controller Utilizing a Transconductance Error Amplifier The NCP1608 is an active power factor correction (PFC) controller specifically designed for use as a pre−converter in ac−dc adapters, electronic ballasts, and other medium power off−line converters (typically up to 350 W). It uses critical conduction mode (CrM) to ensure near unity power factor across a wide range of input voltages and output power. The NCP1608 minimizes the number of external components by integrating safety features, making it an excellent choice for designing robust PFC stages. It is available in a SOIC−8 package.
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