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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/779580/pca9306-pca9306---if-secondary-side-is-powered-and-primary-side-loses-power-will-primary-side-present-a-load-to-the-pca9306
您好、支持团队、
查看数据表中的图7时、如果次级侧(2)通电、而初级侧(1) 断电、初级负载是否会降低次级侧？
谢谢
Jeff Coletti
如果任一 Vref 接地、则开关将表现为开路。
但是、如果 Vref_A 悬空、则很小的电流可以从 Vref_B 流入 Vref_A
