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| Part Number | LD3985M18R | LD3985M28R | LD3985G18R | LD3985J18R |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Obsolete | 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) | 1.8V | 2.8V | 1.8V | 1.8V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | - | 0.1V @ 150mA | - | - |
| Current - Output | 150mA | 150mA | 150mA | 150mA |
| Current - Quiescent (Iq) | 150 µA | 150 µA | 150 µA | 150 µA |
| Current - Supply (Max) | 250 µA | 250 µA | 250 µA | 250 µA |
| PSRR | 60dB ~ 50dB (1kHz ~ 10kHz) | 60dB ~ 50dB (1kHz ~ 10kHz) | 60dB ~ 50dB (1kHz ~ 10kHz) | 60dB ~ 50dB (1kHz ~ 10kHz) |
| 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 | -40°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 | SOT-23-5 Thin, TSOT-23-5 | 5-WFBGA, FCBGA |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | TSOT-23-5 | 5-FlipChip (1.59x1.24) |
