IR21571 Datasheet (International Rectifier) - FULLY INTEGRATED BALLAST CONTROLLER

IR21571, FULLY INTEGRATED BALLAST CONTROLLER

* 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

IR21571 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