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For high-side and low-side switch ICs, when a higher voltage is supplied to the OUT side than the IN side when the switch is OFF, will there be problems (i.e. backflow)?
. With backflow models, if a higher voltage is supplied to OUT vs IN when the switch is OFF (EN=OFF), current may flow (i.e. through a parasitic diode), which can lead to deterioration and breakdown. If applying a higher voltage to OUT than IN, please use a model that can prevent backflow. Applicable models are described as providing 'reverse current protection while the switch is OFF' in the datasheet.Related Link:Technical Document