Hi,TI的工程师,用UCC28070两相交错PFC,我在220VAV输入时能带五六千W都没问题,但150VAC输入时带一千七百多W左右就受干扰了,电感乱叫,驱动频繁混乱,请问会有哪些问题造成,该考虑哪些问题?
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你好,
有不稳定现象了,产生了低频信号,CAOA/B的外围电路适当调一调,谢谢。