dc-dc converter question

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 3:31 am

ok if a if 1 12v to 3v dc-dc converter will drop 12v to 3v, then will 2 drop 48v to 3v?

*o* · Post by ***o*** » Wed Jul 20, 2005 3:35 am

shouldnt...unless its not the right regulator check if its lm317 if it is its fine

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 3:36 am

well if i wanted to add more batteries then how would i get it down to 3v

nos_slived · Post by **nos_slived** » Wed Jul 20, 2005 3:53 am

You're going to use 48V in batteries?

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:16 am

lol if i have to so i can get more hours out of it.

*o* · Post by ***o*** » Wed Jul 20, 2005 4:19 am

how bout you run 4 12v packs in paralell

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:30 am

4! holy $h1t! thats a a lot of power, so would i need 4 12v to 3v converters?

*o* · Post by ***o*** » Wed Jul 20, 2005 4:31 am

no just one

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:33 am

how would i do it?

*o* · Post by ***o*** » Wed Jul 20, 2005 4:39 am

wire up the battery packs in paralell take the positive attach it to the converter take the negative do the same attach it to the board your done

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:43 am

ok parallel is like when u could take a battery pack off and it would still work as opposed to series where if u take one off then they all fail. right?

*o* · Post by ***o*** » Wed Jul 20, 2005 4:44 am

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:45 am

alright just makin sure.

i could do any amount of battery packs with parallel right

*o* · Post by ***o*** » Wed Jul 20, 2005 4:47 am

new york cheech · Post by **new york cheech** » Wed Jul 20, 2005 4:49 am

thanks, now is there a better way then using a 12v to 3v conveter cause it does need 3.3v