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FL7930C - PFC Controller

General Description

The FL7930C is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM).

It uses a voltage-mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal.

Key Features

  • ! PFC-Ready Signal ! VIN-Absent Detection ! Maximum Switching Frequency Limitation ! Internal Soft-Start and Startup without Overshoot ! Internal Total Harmonic Distortion (THD) Optimizer ! Precise Adjustable Output Over-Voltage Protection ! Open-Feedback Protection and Disable Function ! Zero-Current Detector (ZCD) ! 150 µs Internal Startup Timer ! MOSFET Over-Current Protection (OCP) ! Under-Voltage Lockout with 3.5 V Hysteresis ! Low Startup and Operating Current ! Totem-Pole Output with High.

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Datasheet Details

Part number FL7930C
Manufacturer onsemi
File Size 2.02 MB
Description PFC Controller
Datasheet download datasheet FL7930C 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.

View original datasheet text
FL7930C — Single-Stage Flyback and Boundary-Mode PFC Controller for Lighting FL7930C Single-Stage Flyback and Boundary-Mode PFC Controller for Lighting Features ! PFC-Ready Signal ! VIN-Absent Detection ! Maximum Switching Frequency Limitation ! Internal Soft-Start and Startup without Overshoot ! Internal Total Harmonic Distortion (THD) Optimizer ! Precise Adjustable Output Over-Voltage Protection ! Open-Feedback Protection and Disable Function ! Zero-Current Detector (ZCD) ! 150 µs Internal Startup Timer ! MOSFET Over-Current Protection (OCP) ! Under-Voltage Lockout with 3.