LM117, LM227 LM317 Regulator Calculator V2 [21-Dec-2013]

NOTE: The default value for R1 is 120R. Use Select for Options.
Refer to the Datasheet for correct value as some older LM's require to output more than 10mA to ensure correct regulation.
If in doubt use a 120R.
R1 Select=

R2=0 Ohms. Vout=0 V.

Vinp=0 V. (Vinp-Vout)=0 V. If Red, +Vinp is too Low

Iout= 0A. LM317= 0 Watts. If Red, HeatSink LM3914

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