IR21571PBF ic equivalent, fully integrated ballast control ic.
* Programmable preheat time & frequency
* Programmable ignition ramp
* Protection from failure-to-strike
* Lamp filament sensing & protection
* Protec.
The IR21571 is a fully integrated, fully protected 600V ballast control IC designed to drive virtually all types of rapid start fluorescent lamp ballasts. Externally programmable features such as preheat time & frequency, ignition ramp characteristic.
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