John,

Thanks for the pointer. Q1 is in series with the load at the low side.
Do you mean that I should put the transistor at the high side?

Regards,

Chetan Bhargava
http://microz.blogspot.com


On Sun, Aug 26, 2012 at 8:46 PM, John Coppens <john@jcoppens.com> wrote:
> On Sun, 26 Aug 2012 20:26:57 -0700
> Chetan Bhargava <cbhargava@gmail.com> wrote:
>
>
> Maybe put Q1 in series with the load? As it is, you'll be making an
> error of the voltage drop in the MOSfet.
>
> John
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