DC power supply with LM338 voltage regulator
Wed, 05/16/2007 - 22:27 - Author: ale
I made with it a 12 choices power supply with a led scale for the selected voltage visualization.
LM338 is a strong adjustable voltage regulator, you can easily use this to make a good DC power supply.
This regulator is capable of supplying in excess of 5A over a 1.2V to 32V output range.
I made with it a 12 choices power supply with a led scale for the selected voltage visualization.
My two-LM338K DC power supply:
R6 values (in the first schematic) and voltage obtained:
| Voltage | R6 value |
| 1.5 | 61 |
| 3 | 214 |
| 4 | 337 |
| 4.5 | 400 |
| 5 | 460 |
| 6.3 | 624 |
| 7.5 | 768 |
| 8 | 824 |
| 9 | 947 |
| 11 | 1190 |
| 12 | 1310 |
| 15 | 1676 |
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