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IR21571S - FULLY INTEGRATED BALLAST CONTROL IC

Description

The IR21571 is a fully integrated, fully protected 600V ballast control IC designed to drive virtually all types of rapid start fluorescent lamp ballasts.

Features

  • Programmable preheat time & frequency.
  • Programmable ignition ramp.
  • Protection from failure-to-strike.
  • Lamp filament sensing & protection.
  • Protection from operation below resonance.
  • Protection from low-line condition.
  • Automatic restart for lamp exchange.
  • Thermal overload protection.
  • Programmable deadtime.
  • Integrated 600V level-shifting gate driver.
  • Internal 15.6V zener clamp diode on VCC.

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Full PDF Text Transcription

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Data Sheet PD No. 60179 revM Not recommended for new design: please use IRS21571D IR21571(S) & (PbF) 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 • Protection from low-line condition • Automatic restart for lamp exchange • 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 • Parts also available LEAD-FREE 0.
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