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the lm317 is not used how it normaly would be its setup in current regulation mode, it will set the current to the desired amount.
...lazer.. ;D ;D ;D
...lazer.. ;D ;D ;D
Zarniwoop said:The current into the LM317 is always higher than the output, by the amount of power it's dissipating in heat.
Zarniwoop said:The current into the LM317 is always higher than the output, by the amount of power it's dissipating in heat. The larger the difference in input vs. output voltage, the more current will be dissipated - that's why mine's on a large heatsink.
Zarniwoop said:Hmm...I guess I stand corrected here. I'll have to go measure it.
Now I'm wondering how I could be measuring 750mA in, but 550-600mVacross a 1 Ohm resistor in series with the diode.