AN-1096 Multiplexing Two Power Rails using a Dual Channel pFET IPS

Recently, there are a number of devices that can use different voltage sources for operation. For example, tablets can work from an internal Li-chemistry battery and an external 5V power supply during battery charging. In such devices it is very important to switch between two power rails without output voltage drop and at the same time prevent reverse current flowing from the higher voltage rail to the lower voltage rail. Silego’s new dual-channel SLG59M1639V is an excellent choice for these types of applications.


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