voltage regulator
Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=116862
Printed Date: July 15, 2025 at 1:19 AM
Topic: voltage regulator
Posted By: Kwalsh24
Subject: voltage regulator
Date Posted: October 10, 2009 at 4:44 PM
Hey all, I ahve come across a voltage regulator malfunction and was just curious if I could do the following
First of I have a portable 12v car cooler that had just died, after diagnosing the unit it turns out the voltage regulator has gone bad, the unit will work fine if I bypass the regulator. Now the regulator is a 10v 1amp regulator, which I do not have, however I do have two 5v1a regulators, so I was wondering could I put these two regulators together to make up the 10v dead regulator?
Replies:
Posted By: i am an idiot
Date Posted: October 10, 2009 at 6:27 PM
If you are talking about a 7805, I do not think you can run them in series. They require a connection to ground to dissapate the voltage above 5volts. Both of the regulators would need to be grounded. Hence only 5 volts output.
Posted By: Kwalsh24
Date Posted: October 10, 2009 at 6:31 PM
Well, I attempted what I was questioning and yeah, no go. So for the time being i put in a 7812 instead just to get me by till i get a 7810.
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