[SI-LIST] Re: power consuming of IC in different temperature

Possibly the power consuption will vary from quiescent state to dynamic
state.
Long Yang

On Fri, Jul 25, 2008 at 10:50 PM, Robert Szumowicz <
robert.szumowicz@xxxxxxxxxx> wrote:

> Hi Zhangkun,
>
> no one will give you an exact answer, but in simplicity a power
> consumption of IC is a sum of:
>  - leakage currents (which vary a lot with temperature, even double
> every 10oC)
>  - dynamic switching currents dependent of switched capacitance which do
> not vary too much with temperature
>  - resistive loads/terminators (in case of IO power) which also should
> not vary too much with temperature
>
> I hope it helps,
> Robert
>
> Zhangkun wrote:
> > Dear all
> >
> > As we known, the power consuming of IC in different temerature is
> different.
> > If the enviroment temperature is from -40 to +85 centigrade, how much is
> the
> > differenc between highest and lowest power consuming?
> >
> > Now I could get the power consuming in 25 centigrade. I want to get the
> > limitation for the power module.
> >
> > Any advice would be helpful.
> >
> > Best Regards
> >
> > Zhangkun
> > 2008.7.25
> >
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