| Part Number | LM317MT | LM317MBT | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Active | Obsolete | 
| Output Configuration | Positive | Positive | 
| Output Type | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 40V | 40V | 
| Voltage - Output (Min/Fixed) | 1.2V | 1.2V | 
| Voltage - Output (Max) | 37V | 37V | 
| Voltage Dropout (Max) | - | - | 
| Current - Output | 500mA | 500mA | 
| Current - Quiescent (Iq) | - | 10 mA | 
| Current - Supply (Max) | - | - | 
| PSRR | 80dB ~ 65dB (120Hz) | 80dB ~ 65dB (120Hz) | 
| Control Features | - | - | 
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | 
| Operating Temperature | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | TO-220-3 | TO-220-3 | 
| Supplier Device Package | TO-220AB | TO-220 |