[SI-LIST] Re: DDR3 Supply design
- From: steve weir <weirsi@xxxxxxxxxx>
- To: "Sonu Kurian N.D" <sonukurian@xxxxxxxxxxxxxxx>
- Date: Mon, 08 Feb 2010 05:32:12 -0800
You have to supply your highest DC load plus the current needed to ramp
your capacitors. There are many, many power supply design application
notes from all of the SMPS controller / regulator players as well as
many good books on power supply design widely available.
Steve.
Sonu Kurian N.D wrote:
> Hi All,
>
> I would like to design a power supply , for powering 2 SODIMM DDR3
> modules on a Board.
> SODIMM datasheet ( For example from MICRON) specifies different
> currents like ICCD0,ICCD1,ICCD5B etc..
> Of these , the Refresh current(ICCD5B) is the highest one, which is
> around 2Amperes.
> My question is, can I take the refresh current as the Imax for my
> regulator design?
> How can we determine the load current rating for the regulator?
> Could anyone please direct me to any application notes that can help me
> for the same?
>
> many thanks,
> Sonu
>
>
>
>
>
>
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--
Steve Weir
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