最近遇到一个问题, 调试一个基于UCD3138-026的交错BOOST PFC, 现在这版的PFC在调试过程中发现,开环时各路采样和发波都无异常、闭环空载的输出电压是稳定397V, 加载1A(设计时最大是5A)时 发现电压上升到413V, 电路仍然是稳定状态。 现在不知哪块出现的问题 大家能否给个思路
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