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| Part Number | LP3981IMM-2.8 | LP3981IMMX-2.8 | LP3981IMM-2.5 | LP3981IMM-2.7 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Discontinued at Digi-Key | Not For New Designs | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 6V | 6V | 6V | 6V |
| Voltage - Output (Min/Fixed) | 2.8V | 2.8V | 2.5V | 2.7V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 0.2V @ 300mA | 0.2V @ 300mA | 0.2V @ 300mA | 0.2V @ 300mA |
| Current - Output | 300mA | 300mA | 300mA | 300mA |
| Current - Quiescent (Iq) | 120 µA | 120 µA | 120 µA | 120 µA |
| Current - Supply (Max) | 210 µA | 210 µA | 210 µA | 210 µA |
| PSRR | 50dB ~ 55dB (1kHz ~ 10kHz) | 50dB ~ 55dB (1kHz ~ 10kHz) | 50dB ~ 55dB (1kHz ~ 10kHz) | 50dB ~ 55dB (1kHz ~ 10kHz) |
| 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 | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP | 8-VSSOP | 8-VSSOP | 8-VSSOP |
