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VOLTAGE REGULATORS
See Basic Electronics Course Page 57 for a complete discussion on VOLTAGE REGULATORS (subscription needed for access).
Note: The Ground terminal is also called the Common terminal.
By far the best site for looking up and purchasing Voltage Regulators is: DigiKey with over 9,000 items!
There are many new surface-mount devices. You will need to download the exact specification sheet from the manufacturer for the pinout.
This list is only a sample of the most common types:
| Device | Voltage | Current | Pinout |
|---|---|---|---|
| 7805 | +5v | 1A | TO-220 positive |
| 78L05 | +5v | 100mA | TO-92 positive |
| 7806 | +6v | 1A | TO-220 positive |
| 7808 | +8v | 1A | TO-220 positive |
| 7810 | +10v | 1A | TO-220 positive |
| 78L12 | +12v | 100mA | TO-92 positive |
| 7812 | +12v | 1A | TO-220 positive |
| 78S12CT | +12v | 2A | TO-3 positive |
| 7818 | +18v | 1A | TO-220 positive |
| 7824 | +24v | 1A | TO-220 positive |
| 7905 | -5v | 1A | TO-220 negative |
| 79L05 | -5v | 100mA | TO-92 negative |
| 7906 | -6v | 1A | TO-220 negative |
| 7908 | -8v | 1A | TO-220 negative |
| 7912 | -12v | 1A | TO-220 negative |
| 79L12 | -12v | 100mA | TO-92 negative |
| 7915 | -15v | 1A | TO-220 negative |
| 7918 | -18v | 1A | TO-220 negative |
| 7924 | -24v | 1A | TO-220 negative |
| LM317T | +1.2V to +37V | 1.5A | TO-220 adjustable |
| LM337SP | -1.2V to -37V | 1.5A | TO-220 adjustable |
| LM123k | +5v | 3A | TO-3 positive |
| LM117K | +1.2V to +37V | 3A | TO-3 positive |
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