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文件为SIMPLE SWITCHER PCB Layout Guidelines.pdf和Selecting Inductors for Buck Converters.pdf，文档确实不错，需要一点米，收点费，请各位见谅[em09]
Selecting Inductors for Buck Converters.pdf
This Application Note provides design information to help
select an off-the-shelf inductor for any continuous-mode
buck converter application.
SIMPLE SWITCHER PCB Layout Guidelines.pdf
Most of the issues discussed in this Note revolve around
simply assuring the desired performance in terms of basic
electrical functionality. Though luckily, as the beleaguered
switcher designer will be happy to know, in general all the
electrical aspects involved are related and point in the same
general ‘direction’. So for example, an ‘ideal’ layout, i.e. one
which helps the IC function properly, also leads to reduced
electromagnetic emissions, and vice-versa. For example,
reducing the area of loops with switching currents will help in
terms of EMI and performance. However the designer is
cautioned that there are some exceptions to this general
’trend’. One which is brought out in some detail here is the
practice of ’copper-filling’, which may help reduce parasitic
inductances and reduce noise-induced IC problems, but can
also increase EMI.
【文件名】:09429@52RD_national_doc.rar
【格 式】:rar
【大 小】:351K
【简 介】:
【目 录】:
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发表于 2009-4-29 00:54:48
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