Byron A Jeff wrote:
>
> >
> > Is there any problem if I connect the output of two 5V regulators (7805)
> > together?  Will they "fight" each other?  I just happen to have lots of 7805
> > and I want more current.
>
> You can do it if you tie the outputs together through a very low valued
> resistor (say a 0.47 ohm). These resostors will gurantee that no one
> regulator would try to shoulder the entire current load due to the slight
> variations in the output voltages.


Actually, they should regulate pretty well and share.
In the worst case where one gets more load, it will
only get to its 1A max limit than it's current protection
will cause the other device to start sharing.
:o)
-Roman

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