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| Part Number | LP3985IBP-3.1 | LP3985IBP-3.2 | LP3984IBP-3.1 | LP3985IBL-3.1 |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | 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) | 3.1V | 3.2V | 3.1V | 3.1V |
| Voltage - Output (Max) | - | - | - | - |
| Voltage Dropout (Max) | 0.1V @ 150mA | 0.1V @ 150mA | 0.12V @ 150mA | 0.1V @ 150mA |
| Current - Output | 150mA | 150mA | 150mA | 150mA |
| Current - Quiescent (Iq) | 150 µA | 150 µA | 125 µA | 150 µA |
| Current - Supply (Max) | 250 µA | 250 µA | 150 µA | 250 µA |
| PSRR | 50dB ~ 40dB (1kHz ~ 10kHz) | 50dB ~ 40dB (1kHz ~ 10kHz) | 60dB ~ 40dB (1kHz ~ 10kHz) | 50dB ~ 40dB (1kHz ~ 10kHz) |
| Control Features | Enable | Enable | Enable | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | 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 | 5-WFBGA, DSBGA | 5-WFBGA, DSBGA | 4-UFBGA, DSBGA | 5-WFBGA, DSBGA |
| Supplier Device Package | 5-DSBGA (1.5x1.2) | 5-DSBGA (1.41x1.08) | 4-DSBGA | 5-DSBGA (1.41x1.08) |
