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IR2157 - FULLY INTEGRATED BALLAST CONTROL IC

Description

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

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 (mimics a magnetic ballast).

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Full PDF Text Transcription

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ADVANCED INFORMATION Data Sheet No. PD60108B IR2157 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 (mimics a magnetic ballast) Description • Thermal overload protection • Programmable deadtime • Integrated 600V level-shifting gate driver • Internal 15.6V zener clamp diode on VCC • True micropower startup (150uA) • Latch immunity protection on all leads • ESD protection on all leads Packages The IR2157 is a fully integrated, fully protected 600V ballast control IC designed to drive virtually all types of rapid start fluorescent lamp ballasts.
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