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Load switches for mobile and computing applications

There are several reasons why a circuit or subsystem is required to be disconnected from thepower supply using a load switch. A very simple and very common reason is that it helps savingpower. An unpowered subsystem can eliminate power consumption due to leakage or standbycurrents. In portable electronic devices, load switches can be used to prevent damage fromelectrical surges, incorrect battery insertion and other damaging events that can enter through thepower source. This application note presents simple load switches in mobile and computing applications.
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