[KwartzLab] DC-DC Converters

[Karl Williams]

I'll go in on a group buy - put me down for 3 as well.

> 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>
> 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>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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>>>
>>>
>>
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