 |  | | |
| PartNumber | LP3991TL-1.5/NOPB | LP3991TL-1.55 | LP3991TL-1.5 |
| Description | LDO Voltage Regulators 300mA Linear Voltage Regulator for Digit | Fixed Positive LDO Regulator, 1.55V, PBGA4 | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | LDO Voltage Regulators | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | DSBGA-4 | - | - |
| Output Voltage | 1.5 V | 1.55 V | 1.5 V |
| Output Current | 0.3 A | 0.3 A | 0.3 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | 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 | + 85 C | + 85 C |
| Dropout Voltage | 75 mV | 0.125 V at 300 mA | 0.125 V at 300 mA |
| Series | LP3991 | LP3991 | LP3991 |
| Packaging | Reel | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Operating Temperature Range | - 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 | - | - |
| Dropout Voltage Max | 180 mV | - | - |
| PSRR / Ripple Rejection Typ | 65 dB | - | - |
| Voltage Regulation Accuracy | +/- 1 % | +/- 1 % | +/- 1 % |
| Ib Input Bias Current | 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 | - | - |
| Product Type | LDO Voltage Regulators | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.000056 oz | - | - |
| Package Case | - | DSBGA-4 | DSBGA-4 |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Supplier Device Package | - | 4-DSBGA | 4-DSBGA |
| Voltage Input | - | 1.65 V ~ 4 V | 1.65 V ~ 4 V |
| Current Output | - | 300mA | 300mA |
| Voltage Output | - | 1.55V | 1.5V |
| Regulator Topology | - | Positive Fixed | Positive Fixed |
| Voltage Dropout Typical | - | - | - |
| Number of Regulators | - | 1 | 1 |
| Current Limit Min | - | - | - |
| Ib Input Bias Current | - | 50 uA | 50 uA |
| Dropout Voltage Max | - | 180 mV | 180 mV |
| PSRR Ripple Rejection Typ | - | 65 dB | 65 dB |