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UCC28019可以将功率因素实现数字可调吗？或者说这个只能把功率因素确定下来？那么又该怎么通过调节3脚和4脚的电容电阻调节PF?问题有点多，谢谢
你好，请问为什么要使功率因数数字可调？一般希望越大越好。
如果真要这样做推荐ucd3138这种数字芯片，调整频率和输出电压值可以改变功率因数。
