Base on chip L6561, a PFC preregulator for 400w metal halide lamp ballast is designed with wide input and output range.
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。
Based on the design, a special control chip for electronic ballast is selected, and satisfactory results are obtained.
在设计的基础上，选择一种电子镇流器专用控制芯片实现了该电路，获得了令人满意的实验结果。
Based on the design, a special control chip for electronic ballast is selected, and satisfactory results are obtained.
在设计的基础上，选择一种电子镇流器专用控制芯片实现了该电路，获得了令人满意的实验结果。
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