A cold-cathode fluorescent lamp driver circuit with synchronousprimary-side dimming control
Mu-Shen Lin; Wen-Jung Ho; Fu-Yuan Shih; Dan Y. Chen; Yan-Pei Wu
Industrial Electronics, IEEE Transactions on
Volume 45, Issue 2, Apr 1998 Page(s):249 - 255
Digital Object Identifier   10.1109/41.681223
Summary:A novel synchronous primary-side dimming control scheme is proposed and tested for a cold-cathode fluorescent lamp (CCFL) driver circuit for liquid crystal display (LCD) backlight illumination display applications. This new control scheme features high efficiency, even-dimming sensitive adjustment, even-brightness control for a two-lamp system, less lamp flickering problems, stable feedback control and simplicity. An analysis of the circuit is given, from which a design example is presented

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