【通信应用笔记】智能多电源的数字镇流器荧光灯

【通信应用笔记】智能多电源的数字镇流器荧光灯
AN2640
Application note
Intelligent multipower digital ballast for
fluorescent lamps

Introduction
Fluorescent lamps are highly popular due to their luminous efficiency, long life and color
rendering. These lamps need external circuitry to compensate for their negative resistance
characteristic. This circuitry is called "ballast". The simplest ballast is a magnetic inductor
connected in series at the lamp. The electronic ballast with respe