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Power MOSFET Basics: Understanding Gate Charge And Using It To Asses Switching Performance

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By Vishay

This application note defines the fundamental behavior of MOSFETs, both as standalone devices and as switching devices implemented in a Switch Mode Power Supply (SMPS). Additional topics include the switching behavior of a MOSFET when used in a practical application circuit, how to choose the right device from minimal information on a datasheet, as well as several methods for assessing the MOSFET performance. Download the full article for more information.