Mar 02, 2013 · The issue is concerning the LM317 voltage regulator in the diagram, it shows from left to right Pin #1 Input, Pin#2 Adj. and Pin #3 Output. However when I look at a LM317 specification sheet it shows that from left to right Pin #1 Adjustment, Pin #2 Output and Pin #3 Input. LM117/LM317A/LM317 3-Terminal Adjustable Regulator General Description The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.5A over a 1.2V to 37V output range. They are exceptionally easy to use and require only two external resistors to set the output voltage. LM317 Three-terminal Adjustable Output Positive Voltage Regulator The is an adjustable 3-terminal positive voltage regulator capable of supplying in excess 1.5 A over an output voltage range 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage.

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