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IRS25803DSPBF - PFC + BALLAST CONTROLLER

Features

  • PFC, ballast control and half-bridge driver in one IC.
  • Critical-conduction mode boost-type PFC.
  • Internal VBUS sensing and regulation.
  • Internal PFC loop compensation.
  • Programmable PFC over-current.
  • Ignition voltage regulation (current or voltage control).
  • Half-bridge non-ZVS protection.
  • Half-bridge over-current protection using low-side MOSFET Rdson.
  • Programmable preheat time.
  • Programmable preheat frequency.
  • Programmable ignition ramp time.

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Full PDF Text Transcription

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IRS25803DSPBF “COMBO8” PFC + BALLAST CONTROL IC Features  PFC, ballast control and half-bridge driver in one IC  Critical-conduction mode boost-type PFC  Internal VBUS sensing and regulation  Internal PFC loop compensation  Programmable PFC over-current  Ignition voltage regulation (current or voltage control)  Half-bridge non-ZVS protection  Half-bridge over-current protection using low-side MOSFET Rdson  Programmable preheat time  Programmable preheat frequency  Programmable ignition ramp time  Programmable run frequency  Voltage-controlled oscillator (VCO) analog input  Latched EOL window comparator on VCC  Internal EOL fault timer  Fixed dead-time (1.7 µsec typ.
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