Stupid luxeon questions

NightShift

Enlightened
Joined
Feb 4, 2001
Messages
380
Location
Long Island, NY
Sorry i'm not at the board much and I haven't gotten into the mods and stuff as much as you guys have, but I have a stupid little question about driving a 1W white luxeon...

My old luxeon required like (1) 5-ohm resistor, and it drove it at about 350mA. The next luxeon batch I got, required not 1, then 2, then 3 resistors in parallel to get her up to 350mA, and after a while even that wasnt enough. So i just did away with the resistors altogether and direct drove it at about 500mA (I'm prolly killing the thing and don't know it huh)

Now I have a heatsink on this thing...is a luxeon safe driving it at whatever as long as its cool?
 

Sean

Flashlight Enthusiast
Joined
Dec 11, 2001
Messages
2,971
Location
IL, near St. Louis MO
Originally posted by NightShift:
...is a luxeon safe driving it at whatever as long as its cool?
<font size="2" face="Verdana, Arial">Basically, yes. If you can keep it cool enough you should be ok.
 

Rothrandir

Flashaholic
Joined
Aug 17, 2002
Messages
7,795
Location
US
the harder you drive it, the more heatsinking it will require. i run 1w whites direct drive in 3d mag's which is about 4.5v @ 700mA.
 
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