IR21571 - FULLY INTEGRATED BALLAST CONTROLLER

International Rectifier

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Datasheet Details

Part number	IR21571
Manufacturer	International Rectifier
File Size	234.63 KB
Description	FULLY INTEGRATED BALLAST CONTROLLER
Datasheet	IR21571_InternationalRectifier.pdf

IR21571 Product details

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 Packages 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

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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Published: Apr 16, 2005 |