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| PartNumber | LDS3985PU15R | LDS3985PM33R | LDS3985PU18R |
| Description | LDO Voltage Regulators low drop BiCMOS Reg 300 mA volt | LDO Voltage Regulators BICMOS 300mA V Reg Ultra Lo Drop Lo | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | DFN-6 | DFN-6 | - |
| Output Voltage | 1.5 V | 3.3 V | - |
| Output Current | 550 mA | 550 mA | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Quiescent Current | 150 uA | 150 uA | - |
| Input Voltage MAX | 6 V | 6 V | - |
| Input Voltage MIN | 2.5 V | 2.5 V | - |
| Output Type | Fixed | Fixed | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Dropout Voltage | 0.0004 V | 0.0004 V | - |
| Series | LDS3985 | LDS3985 | - |
| Packaging | Reel | Reel | - |
| Height | 0.95 mm | 0.88 mm | - |
| Length | 3 mm | 3 mm | - |
| Width | 3 mm | 3 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Dropout Voltage Max | 2 mV at 1 mA | 2 mV at 1 mA | - |
| Ib Input Bias Current | 85 uA | 85 uA | - |
| Line Regulation | 0.1 % / V | - | - |
| Load Regulation | 0.01 %/mA | 0.004 %/mA | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Voltage Regulation Accuracy | - | 2 % | - |