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| Part Number | LP3985IM5-2.5 | LP3985IM5-2.6 | LP3985IM5-2.7 | LP3985IM5-2.8 | LP3985IM5X-2.5 | 
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Not For New Designs | Active | 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) | 2.5V | - | 2.7V | 2.8V | 2.5V | 
| Voltage - Output (Max) | - | - | - | - | - | 
| Voltage Dropout (Max) | 0.1V @ 150mA | - | 0.1V @ 150mA | 0.1V @ 150mA | 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 | 50dB ~ 40dB (1kHz ~ 10kHz) | - | 50dB ~ 40dB (1kHz ~ 10kHz) | 50dB ~ 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 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 | 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 |