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Knowing power MOSFET data sheet parameters

Posted: 06 Aug 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Power MOSFET?

This user manual covers the parameters and diagrams given in an NXP Semiconductors Power MOSFET data sheet. The goal is to help an engineer decide what device is most suitable for a particular application.

It is important to pay attention to the conditions for which the parameters are listed, as they can vary between suppliers. These conditions can affect the values of the parameters making it difficult to choose between different suppliers. Throughout this document, the data sheet for the BUK7Y12-55B is used as an example. BUK7Y12-55B is an automotive-qualified part in an SOT669 (LFPAK56) package, with a voltage rating of 55 V.

The layout of this data sheet is representative of the general arrangement of NXP power MOSFET data sheets.

NXP Power MOSFETs are designed with particular applications in mind. For example, switching charge is minimized where switching losses dominate, whereas on-resistance is minimized where conductive losses dominate.

View the PDF document for more information.

Originally published by NXP Semiconductors at as "Understanding power MOSFET data sheet parameters".

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