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我司拟采用TPS40090-Q做DC/DC四相控制方案，之前采用的是隔离控制器UC3845，咨询如下问题：
TPS40090-Q这颗芯片是否可以通过隔离光耦直接相连FB脚或COMP脚，类似UC3845那样的设计，能不能像UCC3895这样搞，用光耦隔离。附图为我司UC3845的隔离设计。
