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Power quad flat pack no-leads (PQFN) board mounting application note

Posted: 15 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:power QFN? board mounting? layout substrate?

The Power QFN is an efficient device with a wide range of input voltage in a 5mm x 6mm QFN package. This package is offered only as Pb-free (PbF), identified by a PbF suffix after the part number (for example, IR3800PbF). The main text of this application note contains guidance applicable to Power QFN package.

In Appendix A, there are device outlines, substrate layouts and stencil designs for Power QFN MCM. To simplify board mounting and improve reliability, International Rectifier manufactures Power QFN devices to exacting standards. These high standards have evolved through evaluating many different materials and designs. Although such evaluations have yielded good results, the recommendations in this application note may need to be adjusted to suit specific production environments.

View the PDF document for more information.

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