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| Part Number | LP2989IMX-1.8/NOPB | LP2989AIMX-1.8/NOPB | LP2989IM-1.8/NOPB | LP2989IMM-1.8/NOPB | LP2989IMMX-1.8/NOPB |
|---|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 16V | 16V | 16V | 16V | 16V |
| Voltage - Output (Min/Fixed) | 1.8V | 1.8V | 1.8V | 1.8V | 1.8V |
| Voltage - Output (Max) | - | - | - | - | - |
| Voltage Dropout (Max) | 0.65V @ 500mA | 0.65V @ 500mA | 0.65V @ 500mA | 0.65V @ 500mA | 0.65V @ 500mA |
| Current - Output | 500mA | 500mA | 500mA | 500mA | 500mA |
| Current - Quiescent (Iq) | 175 µA | 175 µA | 175 µA | 175 µA | 175 µA |
| Current - Supply (Max) | 9 mA | 9 mA | 9 mA | 9 mA | 9 mA |
| PSRR | 60dB (1kHz) | 60dB (1kHz) | 60dB (1kHz) | 60dB (1kHz) | 60dB (1kHz) |
| Control Features | Enable | 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 | 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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-VSSOP | 8-VSSOP |
