基于常用的L6561芯片，设计了宽输入输出范围的400瓦金属卤化物灯电子镇流器功率因数校正电路。
Base on chip L6561, a PFC preregulator for 400w metal halide lamp ballast is designed with wide input and output range.
介绍了荧光灯、高压钠灯以及金属卤化物灯等气体放电灯和其对电子镇流器的基本要求。
This article introduces the gas discharge lamps, such as fluorescence lamp, high pressure sodium lamp and metal halide lamp, and their basic requirements to the electronic ballast.
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