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HT7L5820 - Integrated PFC and Quasi-Resonant Current Mode PWM Controller

Features

  • Integrated Transition Mode (TM) PFC controller and Quasi-Resonant (QR) flyback controller.
  • Wide AC input range from 85VAC to 265VAC.
  • Integrated 650V JFET quick high voltage start-up.
  • Integrated THD PFC stage optimiser.
  • Brown-out and brown-in protection.
  • Internal accurate feedback reference voltage: ±2%.
  • Internal 9.6ms PWM soft-start.
  • High/Low line over-power compensation.
  • FB pin protection (Auto Recovery).

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Full PDF Text Transcription

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HT7L5820/HT7L5821 Integrated PFC and Quasi-Resonant Current Mode PWM Controller Features • Integrated Transition Mode (TM) PFC controller and Quasi-Resonant (QR) flyback controller • Wide AC input range from 85VAC to 265VAC • Integrated 650V JFET quick high voltage start-up • Integrated THD PFC stage optimiser • Brown-out and brown-in protection • Internal accurate feedback reference voltage: ±2% • Internal 9.
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