LM317
The LM317 is a linear voltage regulator that can be adjusted to supply a specific output voltage. The LM317 has three pins, adjust, output and input. The LM317 is often connected as in the image below.
![LM317](/media/lm317-circuit.png)
Formulas
![](/shared/media/generated/2e8f60e16212.png)
![](/shared/media/generated/a39cf0bdf81a.png)
![](/shared/media/generated/2e00b515d87b.png)
V out is the output voltage and is measured in volt (V)
R is the symbol for resistance and is measured in ohm (Ω).