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Old 01-15-2013, 07:19 PM #1
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Default 7.4V M140 1.8A driver

Hello!

i need to find driver that works with 7.4V voltage input. i prefer cheap one because i have low budjet.

any suggestions?
thanks


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Old 01-15-2013, 07:29 PM #2
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Default Re: 7.4V M140 1.8A driver

Go for linear drivers because they are the cheapest. Linear driver works with 7.4V input.
You can find it here, Drivers : Mohgasm LLC, Have you experienced one lately?
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Old 01-16-2013, 04:28 AM #3
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Default Re: 7.4V M140 1.8A driver

Quote:
Originally Posted by Blord View Post
Go for linear drivers because they are the cheapest. Linear driver works with 7.4V input.
You can find it here, Drivers : Mohgasm LLC, Have you experienced one lately?
thanks, which driver you suggest me to use? the 4.99 or the 5.99? (i`m using WF501B Host if that matter..)

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Old 01-16-2013, 11:19 AM #4
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Default Re: 7.4V M140 1.8A driver

They are the same. Only the format is different. You will need the $5.99 one.
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Old 01-16-2013, 04:13 PM #5
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Default Re: 7.4V M140 1.8A driver

Quote:
Originally Posted by Blord View Post
They are the same. Only the format is different. You will need the $5.99 one.
Thanks!

btw. does buck drivers is better than the linear ones?

thanks
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Old 01-16-2013, 07:25 PM #6
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Default Re: 7.4V M140 1.8A driver

A linear driver will just turn all the extra voltage in heat ! very inefficient !
A buck driver uses the extra voltage for lower current drain ...
If you got some skills in soldering you can easily build your own linear driver for a few bucks ...
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Old 01-17-2013, 08:36 AM #7
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Default Re: 7.4V M140 1.8A driver

Quote:
Originally Posted by Th3dArKn3o View Post
A linear driver will just turn all the extra voltage in heat ! very inefficient !
A buck driver uses the extra voltage for lower current drain ...
If you got some skills in soldering you can easily build your own linear driver for a few bucks ...
yeah, with this LM317 regulator,right?

anyway, where can i buy buck driver? i guess that it`s better option..
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Old 01-17-2013, 03:26 PM #8
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Default Re: 7.4V M140 1.8A driver

Yes but the LM317 is to weak for an high power build !
You will need an L200 for this ...
A buck driver will cost you at least 20 Bucks you can get it everywhere just look at DTR's shop for example
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Old 01-22-2013, 12:20 PM #9
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Default Re: 7.4V M140 1.8A driver

lazereer's x-drive is a very nice buck drive. you can get it here
Driver boards : Cajunlasers Store
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