Ic Lm317 Pin Diagram. The adjustable pin is connected with the two external resistor and connected with the vout pin of the ic. If you grab lm317 upside down while ic s printed name is facing towards you and it s pins are on top then the left pin is the input pin the center pin is output pin while the right pin is the adjustment pin.
Output 100ma lm317k on to 3. Lm317 is a 3 terminal regulator ic and it is very simple to use. Internal short circuit current limiting or output is short circuit protected.
It has many application circuits in its datasheet but this ic is known for being used as a variable voltage regulator.
Looking from the front of the voltage regulator the first pin on the left is the adjustable pin the middle is vout and the last pin on the right is v in. The three terminals are input pin output pin and adjustment pin. Working of lm317 voltage regulator circuit. If you grab lm317 upside down while ic s printed name is facing towards you and it s pins are on top then the left pin is the input pin the center pin is output pin while the right pin is the adjustment pin.
