9v to 3v using lm317

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suryattheja

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how do i obtain 3v fr0m 9v using lm317. thank u
 

Go through the LM317 datasheet. All you need is there. Here's the download link: https://www.ti.com/lit/ds/symlink/lm117.pdf

Choose the 2 resistors such that they give 3V. You may find it better to use a potentiometer for one of the 2 resistors so that you can 'fine tune' the voltage to obtain an accurate output.

Hope this helps.
Tahmid.
 

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