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HVLED001B - High power factor flyback controller

Description

The HVLED001B is an enhanced peak current mode controller able to control mainly high power factor (HPF) flyback or buck-boost.

Features

  • Quasi resonant (QR) topology.
  • Primary side regulation of output voltage.
  • Direct optocoupler connection for current loop regulation with feedback disconnection detection.
  • 800 V high voltage startup.
  • High power factor and low THD in universal range.
  • High efficiency and output stability in wide voltage and current range.
  • Extremely low standby power at no load condition.
  • Programmable frequency foldback.
  • Integrated input voltage detection for high power f.

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Full PDF Text Transcription

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HVLED001B High power factor flyback controller with constant voltage primary-sensing and ultra-low standby consumption Datasheet - Production data SSOP10 Features  Quasi resonant (QR) topology  Primary side regulation of output voltage  Direct optocoupler connection for current loop regulation with feedback disconnection detection  800 V high voltage startup  High power factor and low THD in universal range  High efficiency and output stability in wide voltage and current range  Extremely low standby power at no load condition  Programmable frequency foldback  Integrated input voltage detection for high power factor capability and protection triggering  Latch-free device guarantee by smart autoreload timer (ART)  0-10 and PWM dimming compatible  Remote control pin Descriptio
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