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Marvellous 19th September 2003 12:10 PM

Regulators in Parallel
 
2 Attachment(s)
Is it possible to use regulators in parallel
to increase output current ?:scratch:

or will this not work?

li_gangyi 19th September 2003 12:12 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 12:17 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 12:28 PM

2 Attachment(s)
So this will WORK

Will I still get 12V output?:scratch:

li_gangyi 19th September 2003 12:32 PM

Possibily...you might want to try tweaking the resistor value to get faster better response...I would try 1ohm first...

Marvellous 19th September 2003 12:51 PM

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

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

li_gangyi 19th September 2003 01:00 PM

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

Vigier 19th September 2003 01:00 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 01:04 PM

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

Vigier 19th September 2003 01:14 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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