[SI-LIST] Re: How to decide the sense point location of regulator for multi-load PCB design

On Mon, Jun 29, 2009 at 6:48 PM, Ted H.Y. Chou <ted.hy.chou@xxxxxxxxxxx>wrote:
>
> Dear SI/PI experts/gurus,
>
> Does anyone have experiences of choosing the suitable sense point location
> for regulator design of common motherboards? For achieving the least DC IR
> drop for all loads, this (only one) sense point of regulator should be put
> somewhere, (eg. in the center of these loads) not just around the source.
> The difficult point is that these loadings are dynamic and the analysis
> times of IR drop are also limited. Besides, due to high density layout
> issue, the shorter feedback trace length is better. Could you tell me how
> to do it?
>
> Best Regards,
>
> Ted Chou
>
>
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