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| Part Number | LK112SM28TR | LK112M28TR | LK112SM18TR | LK112SM27TR |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Active | Obsolete |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Voltage - Input (Max) | 14V | 14V | 14V | 14V |
| Voltage - Output (Min/Fixed) | 2.8V | 2.8V | 1.8V | 2.7V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 0.5V @ 200mA | 0.35V @ 150mA | - | 0.5V @ 200mA |
| Current - Output | 200mA | 150mA | 200mA | 200mA |
| Current - Quiescent (Iq) | 250 µA | 250 µA | 250 µA | 250 µA |
| Current - Supply (Max) | - | - | - | - |
| PSRR | 55dB (400Hz) | 55dB (400Hz) | 55dB (400Hz) | 55dB (400Hz) |
| Control Features | Enable | Enable | Enable | Enable |
| Protection Features | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C | -30°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 | SOT-23-5 |
