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| Part Number | LM317P | LM317T | LM317S |
|---|---|---|---|
| Manufacturer | STMicroelectronics | NTE Electronics, Inc | National Semiconductor |
| Product Status | Active | Active | Active |
| Output Configuration | Positive | Positive | - |
| Output Type | Adjustable | Adjustable | - |
| Number of Regulators | 1 | 1 | - |
| Voltage - Input (Max) | 40V | 37V | - |
| Voltage - Output (Min/Fixed) | 1.2V | 1.25V | - |
| Voltage - Output (Max) | 37V | 37V | - |
| Voltage Dropout (Max) | - | - | - |
| Current - Output | 1.5A | 1.5A | - |
| Current - Quiescent (Iq) | - | - | - |
| Current - Supply (Max) | - | - | - |
| PSRR | 80dB ~ 65dB (120Hz) | 64dB (120Hz) | - |
| Control Features | - | - | - |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | - |
| Operating Temperature | 0°C ~ 125°C | 0°C ~ 125°C | - |
| Mounting Type | Through Hole | Through Hole | - |
| Package / Case | TO-220-3 Full Pack | TO-220-3 | - |
| Supplier Device Package | TO-220FP | TO-220-3 | - |
