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L6699 - Enhanced high voltage resonant controller

Description

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Features

  • Symmetrical duty cycle, variable frequency control of resonant half bridge.
  • Self-adjusting adaptive deadtime.
  • High-accuracy oscillator.
  • 2-level OCP: frequency-shift and immediate shutdown.
  • Interface with PFC controller.
  • Anti-capacitive-mode protection.
  • Burst-mode operation at light load.
  • Input for brownout protection or power-on/off sequencing.
  • “Safe-start” procedure prevents hard switching at startup.
  • 600 V rail compatible high-side gate driver.

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Full PDF Text Transcription

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L6699 Enhanced high voltage resonant controller Features ■ Symmetrical duty cycle, variable frequency control of resonant half bridge ■ Self-adjusting adaptive deadtime ■ High-accuracy oscillator ■ 2-level OCP: frequency-shift and immediate shutdown ■ Interface with PFC controller ■ Anti-capacitive-mode protection ■ Burst-mode operation at light load ■ Input for brownout protection or power-on/off sequencing ■ “Safe-start” procedure prevents hard switching at startup ■ 600 V rail compatible high-side gate driver with integrated bootstrap diode and high dv/dt immunity ■ -300/800 mA high-side and low-side gate drivers with UVLO pull-down ■ SO16N package Datasheet − production data  3/.
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