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| Part Number | LM317LZ/LFT1 | LM317LZ/LFT2 | LM317LZ/LFT7 | LM317LZ/LFT4 | LM317LZ/LFT3 | 
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | Active | Active | 
| 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 | 40V | 40V | 40V | 40V | 
| Voltage - Output (Min/Fixed) | 1.2V | 1.2V | 1.2V | 1.2V | 1.2V | 
| Voltage - Output (Max) | 37V | 37V | 37V | 37V | 37V | 
| Voltage Dropout (Max) | - | - | - | - | - | 
| Current - Output | 100mA | 100mA | 100mA | 100mA | 100mA | 
| Current - Quiescent (Iq) | - | - | - | - | - | 
| Current - Supply (Max) | - | - | - | - | - | 
| PSRR | 80dB ~ 65dB (120Hz) | 80dB ~ 65dB (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 | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | 
| Supplier Device Package | TO-92-3 | TO-92-3 | TO-92-3 | TO-92-3 | TO-92-3 |