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| Part Number | LP3871EMP-1.8/NOPB | LP3874EMP-1.8/NOPB | LP3872EMP-1.8/NOPB | LP3871EMPX-1.8/NOPB | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | Discontinued at Digi-Key | 
| Output Configuration | Positive | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 7V | 7V | 7V | 7V | 
| Voltage - Output (Min/Fixed) | 1.8V | 1.8V | 1.8V | 1.8V | 
| Voltage - Output (Max) | - | - | - | - | 
| Voltage Dropout (Max) | 0.35V @ 800mA | 0.35V @ 800mA | 0.55V @ 1.5A | 0.35V @ 800mA | 
| Current - Output | 800mA | 800mA | 1.5A | 800mA | 
| Current - Quiescent (Iq) | 5 mA | 9 mA | 5 mA | 5 mA | 
| Current - Supply (Max) | 15 mA | 15 mA | 15 mA | 15 mA | 
| PSRR | 73dB ~ 57dB (120Hz) | 73dB ~ 57dB (120Hz) | 73dB ~ 57dB (120Hz) | 73dB ~ 57dB (120Hz) | 
| Control Features | Enable | Enable | Enable | Enable | 
| 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 | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | TO-261-5, TO-261AB | TO-261-5, TO-261AB | TO-261-5, TO-261AB | TO-261-5, TO-261AB | 
| Supplier Device Package | SOT-223-5 | SOT-223-5 | SOT-223-5 | SOT-223-5 |