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| Part Number | LM317MT | LM337MT | LM317T | LM317MTG | LM317MBT | LM317MDT |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | NTE Electronics, Inc | onsemi | onsemi | onsemi |
| Product Status | Active | Active | Active | Active | Obsolete | Obsolete |
| Output Configuration | Positive | - | Positive | Positive | Positive | Positive |
| Output Type | Adjustable | - | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Regulators | 1 | - | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 40V | - | 37V | 40V | 40V | 40V |
| Voltage - Output (Min/Fixed) | 1.2V | - | 1.25V | 1.2V | 1.2V | 1.2V |
| Voltage - Output (Max) | 37V | - | 37V | 37V | 37V | 37V |
| Voltage Dropout (Max) | - | - | - | - | - | - |
| Current - Output | 500mA | - | 1.5A | 500mA | 500mA | 500mA |
| Current - Quiescent (Iq) | - | - | - | 10 mA | 10 mA | - |
| Current - Supply (Max) | - | - | - | - | - | - |
| PSRR | 80dB ~ 65dB (120Hz) | - | 64dB (120Hz) | 80dB ~ 65dB (120Hz) | 80dB ~ 65dB (120Hz) | 80dB ~ 65dB (120Hz) |
| Control Features | - | - | - | - | - | - |
| Protection Features | Over Current, Over Temperature, Short Circuit | - | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C (TJ) | - | 0°C ~ 125°C | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) |
| Mounting Type | Through Hole | - | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | TO-220-3 | - | TO-220-3 | TO-220-3 | TO-220-3 | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Supplier Device Package | TO-220AB | - | TO-220-3 | TO-220 | TO-220 | TO-252, (D-Pak) |
