A small-signal linear model of a cold cathode fluorescent lamp (CCFL) ballast that employs a voltage-driven piezoelectric transformer is presented. The model takes into account the lamp dynamic and is based on the application of the generalized averaging method presented in [1]. The derived model can be used for stability analysis purposes and is able to predict instabilities observed in different experimental setups.
Small-Signal Analysis of Cold Cathode Fluorescent Lamp Ballasts
BUSO, SIMONE;SPIAZZI, GIORGIO
2007
Abstract
A small-signal linear model of a cold cathode fluorescent lamp (CCFL) ballast that employs a voltage-driven piezoelectric transformer is presented. The model takes into account the lamp dynamic and is based on the application of the generalized averaging method presented in [1]. The derived model can be used for stability analysis purposes and is able to predict instabilities observed in different experimental setups.
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