| PartNumber | LP3991TL-2.8/NOPB | LP3991TL-2.5/NOPB | LP3991TL-2.0/NOPB |
| Description | LDO Voltage Regulators 300Ma Low Vin LDO | LDO Voltage Regulators 300mA Linear Voltage Regulator for Digit | LDO Voltage Regulators 300mA Linear Voltage Regulator for Digit |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | DSBGA-4 | DSBGA-4 | DSBGA-4 |
| Output Voltage | 2.8 V | 2.5 V | 2 V |
| Output Current | 0.3 A | 0.3 A | 0.3 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Quiescent Current | 100 uA | 100 uA | 100 uA |
| Input Voltage MAX | 4 V | 4 V | 4 V |
| Input Voltage MIN | 1.65 V | 1.65 V | 1.65 V |
| Output Type | Fixed | Fixed | Fixed |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Dropout Voltage | 75 mV | 75 mV | 75 mV |
| Series | LP3991 | LP3991 | LP3991 |
| Packaging | Reel | Reel | Reel |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Product | Linear Voltage Regulators | Linear Voltage Regulators | Linear Voltage Regulators |
| Tolerance | +/- 3 % | +/- 3 % | +/- 3 % |
| Type | Accurate Output Voltage | Accurate Output Voltage | Accurate Output Voltage |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Dropout Voltage Max | 0.08 V at 150 mA, 0.16 V at 300 mA | 0.09 V at 150 mA, 0.18 V at 300 mA | 0.09 V at 150 mA, 0.18 V at 300 mA |
| PSRR / Ripple Rejection Typ | 65 dB | 65 dB | 65 dB |
| Voltage Regulation Accuracy | +/- 1 % | +/- 1 % | +/- 1 % |
| Ib Input Bias Current | 50 uA | 50 uA | 50 uA |
| Line Regulation | 0.05 % | 0.05 % | 0.05 % |
| Load Regulation | 60 uV/mA | 60 uV/mA | 60 uV/mA |
| Operating Supply Current | 50 uA | 50 uA | 50 uA |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 250 | 250 | 250 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.000056 oz | 0.000056 oz | 0.000056 oz |