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IR21571 - FULLY INTEGRATED BALLAST CONTROLLER

Description

Thermal overload protection Programmable deadtime Integrated 600V level-shifting gate driver Internal 15.6V zener clamp diode on VCC Micropower startup (150uA) Latch immunity protection on all leads ESD protection on all leads Pa

Features

  • Programmable preheat time & frequency.
  • Programmable ignition ramp.
  • Protection from failure-to-strike.
  • Lamp filament sensing & protection.
  • Protection from operation below resonance - 0.2V CS threshold sync’d to falling edge on LO.
  • Protection from low-line condition.
  • Automatic restart for lamp exchange.

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Full PDF Text Transcription

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Data Sheet PD No. 60179-I IR21571(S) FULLY INTEGRATED BALLAST CONTROL IC Features • Programmable preheat time & frequency • Programmable ignition ramp • Protection from failure-to-strike • Lamp filament sensing & protection • Protection from operation below resonance - 0.2V CS threshold sync’d to falling edge on LO • Protection from low-line condition • Automatic restart for lamp exchange Description • Thermal overload protection • Programmable deadtime • Integrated 600V level-shifting gate driver • Internal 15.
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