Ic Lm317 Circuit Diagram. C1 is the input capacitance. Circuit diagram lm317 voltage regulator ic it s an adjustable three terminal voltage regulator ic with a high output current value of 1 5a.
It provides very stable uniform and smooth output which does not fluctuate with load changes. Adjust voltage in steps 3v 6v 9v 12v. The lm317 circuit is shown in the below figure is a t y pical configuration of the lm317 voltage regulator circuit diagram including the decoupling capacitors.
When the capacitance distance between the voltage regulator and the rectifier filter is less than 5 10cm c1 is not necessary.
This lm317 circuit is capable to provide variable dc power supply with an output of 1a and can be adjusted up to 30v. C1 is the input capacitance. It can also be used as a precise current limiting device which is essential for testing electronic equipment. A classic voltage regulator circuit using lm317 is shown above.
