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ISO 9001 Registered
IMP3522D
ADAPTIVE BALLAST CONTROL IC
General Description
The IMP3522D(S) is a complete adaptive ballast controller, 450V half-bridge driver and power MOS FET integrated into a single IC for Compact Fluorescent Lamps (CFL) applications. The IC includes adaptive zero-voltage switching (ZVS), internal crest factor over-current protection, as well as an integrated bootstrap FET. The heart of this IC is a voltage controlled oscillator with externally programmable minimum frequency. All of the necessary ballast features are integrated in a small 8-pin DIP package.