[KwartzLab] DC-DC Converters

[Bob DeGregory]

I'm a bit old-fashioned, preferring mechanical or chemical power sources
for my ballistics. However, nuclear might be cute.

On Thu, Sep 20, 2012 at 11:41 AM, Karl Williams <karlw at thinkbotics.com>wrote:

> So true LOL. That reminds me that I need to build another coil gun...
>
> > I think Karl is hinting that you should be using a higher input voltage.
> > I'm pretty sure he doesn't respect any electronic device that doesn't
> > require 20,000V+ in a bank of capacitors to fire up ;)
> >
> > Ben
> >
> > On 9/20/2012 11:33 AM, Bob DeGregory wrote:
> >> Thanks Karl,
> >>
> >> But it looks like EMCO is great for step-up. I perused about a dozen+
> >> of their lines but I can't find anything they offer for step-down.
> >> Everything seems to be HVDC output. Maybe that's why they call
> >> themselves EMCO High Voltage <snort>
> >>
> >> So I'm still lookin'
> >>
> >> On Thu, Sep 20, 2012 at 11:09 AM, Karl Williams <karlw at thinkbotics.com
> >> <mailto:karlw at thinkbotics.com>> wrote:
> >>
> >>     I've used products from Emco for high voltage applications and the
> >>     modules
> >>     are reliable: http://www.emcohighvoltage.com/
> >>
> >>     > I'm fixin' to use Li-ion tool batteries to drive a variety of
> >>     loads so I
> >>     > need DC-DC conversion with variety of load characteristics and
> >>     output
> >>     > voltages (obviously not all at once from single device).
> >>     >
> >>     > This one on Amazon looks interesting:
> >>     >
> >>
> http://www.amazon.com/Voltage-Step-Converter-Module-Waterproof/dp/B008IWEF1C/ref=sr_1_6?s=electronics&ie=UTF8&qid=1348150933&sr=1-6&keywords=dc+dc+converter+12v+5v+20a
> >>     >
> >>     > Any experience with unit referenced above?
> >>     >
> >>     > Any alternative recommendations for similar device?
> >>     >   I like input voltages that range from say 9VDC up to as high
> >>     as 40VDC
> >>     >   I like local or at least North American availabilty not drop
> >>     ship from
> >>     > China
> >>     >   I need 12VDC and 5VDC output probably up to about 3A
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