| PartNumber | LD2981ABM30TR | LD2981ABM25TR | LD2981ABM18TR |
| Description | LDO Voltage Regulators 3.0V 100mA Positive | LDO Voltage Regulators 2.5V 100mA Positive | LDO Voltage Regulators 1.8V 100mA Positive |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-5 | SOT-23-5 | SOT-23-5 |
| Output Voltage | 3 V | 2.5 V | 1.8 V |
| Output Current | 100 mA | 100 mA | 100 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Quiescent Current | 100 uA | 100 uA | 100 uA |
| Input Voltage MAX | 16 V | 16 V | 16 V |
| Input Voltage MIN | 2.5 V | 2.5 V | 2.5 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 | 0.001 V | 0.001 V | 0.001 V |
| Series | LD2981 | LD2981ABM | LD2981ABM |
| Packaging | Reel | Reel | Reel |
| Height | 1.3 mm (Max) | 1.3 mm (Max) | 1.3 mm (Max) |
| Length | 3 mm (Max) | 3 mm (Max) | 3 mm (Max) |
| Width | 1.75 mm (Max) | 1.75 mm (Max) | 1.75 mm (Max) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Dropout Voltage Max | 3 mV at 0 A | 3 mV at 0 A | 3 mV at 0 A |
| Voltage Regulation Accuracy | 0.75 % | 0.75 % | 0.75 % |
| Ib Input Bias Current | 80 uA | 80 uA | 80 uA |
| Line Regulation | 0.014 % / V | 0.014 % / V | 0.014 % / V |
| Load Regulation | - 5 mV | - 5 mV | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.000222 oz | 0.000222 oz | 0.000222 oz |