[time-nuts] Regulator Choices

[Bob Camp]

Hi

A regulator needs to be specifically designed for parallel operation. If it's not designed that way you will have a very hard time with it. 

Bob

On Jun 29, 2013, at 3:18 AM, Hal Murray <hmurray at megapathdsl.net> wrote:

> mc235960 at gmail.com said:
>>> If one needs greater than 5 amps, the LM 1084 data
>>> sheet shows how to easily parallel 2 or 3.
> 
>> I suppose that the same philosophy would apply to getting more power with a
>> 7805 farm. 
> 
> It may be a bit more complicated than that.  You need some way to share the 
> load and you also need to make sure things are stable.
> 
> The TI/National data sheet doesn't show anything about paralleling 
> regulators.  The AD data sheet shows 2 ft of #18 wire between each regulator 
> and the load.
> 
> I'm not enough of an analog guru to reverse engineer that setup and figure 
> out the stability constraints and transfer them to 78xx type devices.
> 
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
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