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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/758583/pca9306-current-consumption
VCC 和 VCORE 消耗？μ A 的大电流
没有引脚名称"VCORE "。
kΩ 电流 μA 200k Ω 电阻器至最低输入电压；当电压为5V 接地时、电流为25k Ω。 μA 输入泄漏电流(小于5 μ A)。
否则、PCA3906中没有功耗。 在实际应用中、功耗完全由流经上拉电阻器(也流经开关)的电流决定。
