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General Category => Analog discussion => Topic started by: Mercury on April 05, 2008, 13:31:25 PM

Title: the 7805
Post by: Mercury on April 05, 2008, 13:31:25 PM
I have 4 1.5Volts batteries. Can i use a 7805 to regulate to 5 volts?

Gab
Title: Re: the 7805
Post by: Andre on April 06, 2008, 14:02:22 PM
nope you cannot. It will need 9 Volts to give you regulated 5 volts.
Title: Re: the 7805
Post by: Mercury on April 06, 2008, 15:32:44 PM
Oh, and what about 12? Can i use 12 volts?
Title: Re: the 7805
Post by: kam on April 06, 2008, 18:55:36 PM
Actually it regulates to range 12-30V
Title: Re: the 7805
Post by: jbrs128 on April 07, 2008, 23:32:11 PM
BTW... This is my favorite chip. I never start designing something without this!
Title: Re: the 7805
Post by: Erkeli on April 12, 2008, 01:00:51 AM
Actually it regulates to range 12-30V

I think you meant 9-30V
Title: Re: the 7805
Post by: Erkeli on April 12, 2008, 01:01:38 AM
In some circuits (that draws only a few mAmps) 6volts are enough. But just for a few mAmps.
Title: Re: the 7805
Post by: kam on April 13, 2008, 14:52:17 PM
Actually it regulates to range 12-30V

I think you meant 9-30V

 ;D of course  ;D
Title: Re: the 7805
Post by: Mercury on April 14, 2008, 18:53:18 PM
Thanks people!