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Marvellous 19th September 2003 01:10 PM

Regulators in Parallel
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Is it possible to use regulators in parallel
to increase output current ?:scratch:

or will this not work?

li_gangyi 19th September 2003 01:12 PM

I dun think that will work...coz one regulator will tend to take all the current...and just shut itself down...letting the other take over...and then shutting it down as well...

Bricolo 19th September 2003 01:17 PM

you'll have to place a small resistor (0.1 to 2R) between each IC's output and the global output

Marvellous 19th September 2003 01:28 PM

2 Attachment(s)
So this will WORK

Will I still get 12V output?:scratch:

li_gangyi 19th September 2003 01:32 PM might want to try tweaking the resistor value to get faster better response...I would try 1ohm first...

Marvellous 19th September 2003 01:51 PM

Thanks everybody for the help!:cool: :nod: :cool:

I'm going to try this now!:clown:

li_gangyi 19th September 2003 02:00 PM

By the way...that theory by Albert on relativity was pretty cool....

Vigier 19th September 2003 02:00 PM

Heeej Marvellous,

make sure (if you're going to use 1 Ohm resistors, which i DON'T recommend) that these resistors can dissipate enough...

Grtz, Joris

li_gangyi 19th September 2003 02:04 PM

I would definetly reccomend a pass transistor if he wants BIG currents...

Vigier 19th September 2003 02:14 PM

You MUST use that series resistor or you'll see your 7812's burn one by one, but I would use something between 0.1 and 0.2 Ohm, that should do the job.

Grtz, joris

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