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Hello, can anyone recommend a heatsink for the LM338

Someone

Dec 23, 2015
1
Joined
Dec 23, 2015
Messages
1
I am building an LED light and need a variable voltage regulator that won't burn up with a 3.5A load.
I picked the LM338 because it seems like it would work well enough, but I don't know how big of a heatsink I would need.
Can someone give me suggestions?
 

GPG

Sep 18, 2015
452
Joined
Sep 18, 2015
Messages
452
What are your input/output voltages? Do you need the 338 to be a current regulator? TO3 package?
 
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