> OK do you have any infor on it
>
>
> > What about a charge pump IC?
> >
> >
> > Hi All
> >
> > Do anyone have any idea in how to step up voltage
> > like from 5 volts to 10volt
> > Is there such things call step up regulators?
> > if there are may i know the part number thanks
> > i heard that there is one of such device in picstart that step a 9V to
13
> V
> > any oneknow the part number thanks
>

Here are some part numbers for a variety of charge pumps.  All can be
configured to generate 5 volts from some nominally lower voltage at or above
2 volts.

MAX683, MAX682, LTC1317, LTC1316, LTC1308A/B, LTC1305, LTC1304, LTC1303,
LTC1613, LTC1302, LTC1300, LTC1107, LTC1317/B,TPS60140


-d