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| PartNumber | LD3985M18R | LD3985M122R | LD3985M122R/LWD |
| Description | LDO Voltage Regulators 1.8V 0.15A Ultra Low | LDO Voltage Regulators Bicmos Vltg Regulatr 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 | SOT-23-5 | SOT-23-5 | - |
| Output Voltage | 1.8 V | 1.22 V | - |
| Output Current | 150 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 | LD3985 | LD3985 | - |
| Packaging | Reel | Reel | - |
| Height | 1.3 mm | 1.3 mm | - |
| Length | 3 mm | 3 mm | - |
| Width | 1.75 mm | 1.75 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Dropout Voltage Max | 100 mV | 2 mV at 1 mA | - |
| Voltage Regulation Accuracy | 3 % | 4 % | - |
| Ib Input Bias Current | 85 uA | 85 uA | - |
| Line Regulation | 0.1 %/V | 0.1 %/V | - |
| Load Regulation | 0.008 %/mA | 0.008 %/mA | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.000222 oz | 0.000222 oz | - |