摘要:冷陰極熒光燈驅動電源是目前研究和應用的熱點。本文著重研究了冷陰極熒光燈驅動電源的幾種拓撲,并對其優缺點進行了比較;介紹了冷陰極熒光燈驅動電源調光策略;闡述了冷陰極熒光燈驅動電源發展趨勢,并突出闡述了壓電陶瓷變壓器在冷陰極熒光燈驅動電源中的應用。
敘詞:冷陰極熒光燈 Royer 全橋 半橋 調光 壓電陶瓷變壓器
Abstract:The research and application of driver circuit for cold cathode fluorescent lamps is hotspot at present. The topologies, dimming strategies and development of driver circuit for cold cathode fluorescent lamps are presented.
Keyword:cold cathode fluorescent lamp(CCFL) Royer full bridge half bridge dimming piezo-transformer