How to make LM317 power supply

[angelizquier1]

I just hate videos when the person seems to be mute!



[Epiphone101]

sloppy

[MrGerbilBrain]

@leaualorin what you must have done is to turn the potentiometer all the way so the resistance was almost 0 ohms, which shorted out the chip. LOL, I have done this foolishly a few times, xD

[florickwar2]

guys if you want to build something . READ THE DATASHEET . there's always a little test circuit you can use to build whatever you want . LM317 LM337 lm338k

[Vocoder07]

yeah a heatsink from an old pc power supply :D

[ignatei]

@petereish Is this the "LM317K" or the "LM317T" regulator you are using? Because in the shops they have two kinds, the former is more expensive.

[asdwjure]

@ignatei

my is LM317T

[ignatei]

@asdwjure Ok cool, thanks for letting me know.

[meade9166]

@asdwjure what's the difference?

[asdwjure]

@meade9166 LM317T is in TO-220 case, LM317K is in TO-3 case and current is 1.5A for both of them

[thewii552]

@leaualorin it doesn't make a difference

[vladtarabega]

@leaualorin logaritmic ;)

[asdwjure]

@leaualorin

carbon

[asdwjure]

@leaualorin

i used 4.7 Kohm

[bikr1975]

hi, could you please tell me what i need to build one that has an incoming 12 - 14v and needs to have an adjustable output in between .50v - 1.5v?

[petereish]

im trying to make a varable power supply about half the size of that.

whats the max output of that thing

[asdwjure]

@petereish

16V

500mA

[yorchreloaded]

what's the difference LM317  and LM317T ???