| PartNumber | LDS3985M18R | LDS3985M15R | LDS3985M25R |
| Description | LDO Voltage Regulators BICMOS 300mA V Reg Ultra Lo Drop Lo | LDO Voltage Regulators Ultra-Low Drop 300V BiCMOS | LDO Voltage Regulators BICMOS 300mA V Reg Ultra Lo Drop Lo |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| 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 | TSOT-23-5 | TSOT-23-5 | TSOT-23-5 |
| Output Voltage | 1.8 V | 1.5 V | 2.5 V |
| Output Current | 550 mA | 550 mA | 550 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Quiescent Current | 150 uA | 150 uA | 150 uA |
| Input Voltage MAX | 6 V | 6 V | 6 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 | 0.0004 V | 0.0004 V | 0.0004 V |
| Series | LDS3985 | LDS3985 | LDS3985 |
| Packaging | Reel | Reel | Reel |
| Height | 1 mm | 1 mm | 1 mm |
| Length | 2.9 mm | 2.9 mm | 2.9 mm |
| Width | 1.6 mm | 1.6 mm | 1.6 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Dropout Voltage Max | 2 mV at 1 mA | 2 mV at 1 mA | 2 mV at 1 mA |
| Ib Input Bias Current | 85 uA | 85 uA | 85 uA |
| Line Regulation | 0.1 % / V | 0.1 % / V | - |
| Load Regulation | 0.01 %/mA | 0.01 %/mA | 0.004 %/mA |
| 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 |
| Voltage Regulation Accuracy | - | - | 2 % |