[KwartzLab] DC-DC Converters

[Ben Brown]

Hey Bob, I'll take five if you're doing a buy :)

Cheers,
Ben

On 9/20/2012 1:59 PM, Bob DeGregory wrote:
> Thanks James,
>
> This one is more like what I had in mind.
>
> http://dx.com/p/dc-5-36v-to-dc-1-5-32v-converter-step-down-power-module-142531?item=28
>
>
>  Amongst other things it oughta power Rasberry Pi from moderately high
> to high amp/hour sources (automotive, power tool, etc. I will buy at
> least three to get bulk price down to a little over four bucks.
>
> Anyone interested in a group buy?
>
>
>
> On Thu, Sep 20, 2012 at 1:13 PM, James Bastow <james at jamesbastow.com
> <mailto:james at jamesbastow.com>> wrote:
>
>     Not local, but DealExtreme has a lot of cheap DC-DC converter
>     modules:
>
>     http://dx.com/p/dc-3-34v-to-dc-4-35v-adjustable-boost-converter-charger-module-149681?item=19 
>     http://dx.com/p/dc-3-30v-to-dc-4-35v-adjustable-boost-converter-charger-module-148492?item=20 
>     http://dx.com/p/lm2577-dc-3-5-18v-to-dc-4-0-24v-voltage-step-up-boost-module-red-154906?item=20 
>     http://dx.com/p/03100127-dc-dc-3v-to-5v-boost-converter-charger-module-red-154870?item=17 
>     (There are many more)
>
>     James
>
>     On Thu, Sep 20, 2012 at 10:45 AM, Bob DeGregory
>     <bob.degregory at gmail.com <mailto:bob.degregory at gmail.com>> wrote:
>
>         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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