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| PartNumber | LP3891ES-1.2 | LP3891ES-1.2/NOPB | LP3891ES-1.2 NS |
| Description | LDO Voltage Regulators NRND, alternate is LP3891ES-1.2/NOPB | LDO Voltage Regulators 0.8A Fast Response Dual-Rail LDO | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | - |
| RoHS | N | E | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TO-263-5 | TO-263-5 | - |
| Output Voltage | 1.2 V | 1.2 V | - |
| Output Current | 0.8 A | 800 mA | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Quiescent Current | 7 mA | 7 mA | - |
| Input Voltage MAX | 5.5 V | 5.5 V | - |
| Input Voltage MIN | 1.3 V | 1.3 V | - |
| Output Type | Fixed | Fixed | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Dropout Voltage | 100 mV | 100 mV | - |
| Series | LP3891 | LP3891 | - |
| Packaging | Tube | Tube | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Dropout Voltage Max | 0.3 V at 800 mA | 0.3 V at 800 mA | - |
| Voltage Regulation Accuracy | +/- 1.5 % | +/- 1.5 % | - |
| Ib Input Bias Current | 3 mA | 3 mA | - |
| Line Regulation | 0.01 %/V | 0.01 %/V | - |
| Load Regulation | 0.04 %/A | 0.04 %/A | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Current | 4 mA | 4 mA | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 45 | 45 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.056128 oz | 0.056128 oz | - |
| Product | - | Fast-Response Ultra LDO Linear Regulators | - |
| Tolerance | - | 1.8 V | - |
| Type | - | Ultra Low Dropout Voltage | - |
| PSRR / Ripple Rejection Typ | - | 80 dB | - |