28019的电感可以设计成临界模式下的电感吗?
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Hi
UCC28019是需要设计工作在CCM模式,如果你需要设计成为临界模式的,你需要选择UCC28051之类的PFC.
芯片要工作在临界模式,一般是有零电流检测功能,而类似UCC28019是没有这样功能的。