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Power MOSFET basics: Understanding gate charge and using it to assess switching performance

Posted: 08 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:power MOSFET basics? application circuit?

This is the second in a series of application notes that define the fundamental behavior of MOSFETs, both as standalone devices and as switching devices implemented in a switchmode power supply (SMPS).

This application note goes into more detail on the switching behavior of the MOSFET when used in a practical application circuit and attempts to enable the reader/designer to choose the right device for the application using the minimum available information from the datasheet. The app note goes through several methods of assessing the switching performance of the MOSFET and compares these methods against practical results.

View the PDF document for more information.





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