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FL7921R Datasheet Pwm Lightning Controller

Manufacturer: onsemi

Overview: Integrated Critical-Mode PFC and Quasi-Resonant Current-Mode PWM Lightning.

General Description

The highly integrated FL7921R combines a Power Factor Correction (PFC) controller and a Quasi−Resonant PWM controller.

Integration provides cost effect design and allows for fewer external components.

For PFC, FL7921R uses a controlled on−time technique to provide a regulated DC output voltage and to perform natural power factor correction.

Key Features

  • Integrated PFC and Flyback Controller.
  • Critical.
  • Mode PFC Controller.
  • Zero.
  • Current Detection for PFC Stage.
  • Quasi.
  • Resonant Operation for PWM Stage.
  • Internal Minimum tOFF 8 ms for QR PWM Stage.
  • Internal 10 ms Soft.
  • Start for PWM.
  • Brownout Protection.
  • High / Low Line Over.
  • Power Compensation.
  • Auto Recovery Over.
  • Current Protection.
  • Auto Recovery Open.
  • Loop P.

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FL7921R Distributor