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2004-08-01 by jay marante
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2004-08-02 by Phil
maxim's site is pretty well laid out to allow you to select the part you need. start here: http://www.maxim-ic.com/PowerSupplies.cfm?ln= --- In AVR-Chat@yahoogroups.com, jay marante <jaythesis@y...> wrote: > does anyone have an idea of a DC-DC converter from maxim with a minimum of 500mA of output current at 5V? i need it for a barcode reader with 330mA @ max current + AVR uC + servo @ least 10mA supply current. so im thinking of @ least 500mA. i have a max639 but only have a 225mA max output. thanks...
> > -jay > > > --------------------------------- > Do you Yahoo!? > New and Improved Yahoo! Mail - 100MB free storage!
2004-08-02 by erikc
Even better: Linear Technologies www.linear.com They
have a freely downloadable programme they call
"SwitcherCAD". Basically, it is a version of SPICE with a
schematic-entry front-end. Naturally, they are using it to
entice you into speccing thier line of switchmode
regulators, opamps, etc., so that's all the ICs in thier
parts database. You can do more with it, right now, I'm
still learning it myself, so that's all that I can tell you.
Oh, one other thing. It comes with a rather large library
of predesigned switchmode power supplies that you can use as
starting points.
Erikc - firewevr@airmail.net
///
"An Fhirinne in aghaidh an tSaoil."
"The Truth against the World."
-- Bardic Motto
///I did NOT lose my mind! It's backed up on the server
(and the network's down....)
----- Original Message -----
From: "Phil" <phil1960us@yahoo.com>
To: <AVR-Chat@yahoogroups.com>
Sent: Monday, August 02, 2004 08:06
Subject: [AVR-Chat] Re: DC-DC converter @ 500mA min
> maxim's site is pretty well laid out to allow you to
select the part
> you need. start here:
> http://www.maxim-ic.com/PowerSupplies.cfm?ln=
>
> --- In AVR-Chat@yahoogroups.com, jay marante
<jaythesis@y...> wrote:
> > does anyone have an idea of a DC-DC converter from maxim
with a
> minimum of 500mA of output current at 5V? i need it for a
barcode
> reader with 330mA @ max current + AVR uC + servo @ least
10mA supply
> current. so im thinking of @ least 500mA. i have a max639
but only
> have a 225mA max output. thanks...
> >
> > -jay
> >
> >
> > ---------------------------------
> > Do you Yahoo!?
> > New and Improved Yahoo! Mail - 100MB free storage!
>
>
>
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2004-08-03 by Robert Adsett
At 12:18 AM 8/3/04 +0100, you wrote:
>Even better: Linear Technologies www.linear.com They
>have a freely downloadable programme they call
>"SwitcherCAD".
National and ST also have design support for their convertors. I like
Nationals better although it does insist on Microsofts JAVA runtime.
Robert
" 'Freedom' has no meaning of itself. There are always restrictions,
be they legal, genetic, or physical. If you don't believe me, try to
chew a radio signal. "
Kelvin Throop, III