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DC/DC降压控制器TPS40090-Q设计问题

Other Parts Discussed in Thread: UC3845, UCC3895

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。