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| PartNumber | R1172S121A-E2-FE | R1172S101B-E2-FE | R1172S121B-E2-F |
| Description | LDO Voltage Regulators Low Voltage 1A Voltage Regulator | LDO Voltage Regulators Low Voltage 1A Voltage Regulator | |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | - |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | - |
| RoHS | Y | Y | - |
| Package / Case | HSOP-6J-6 | HSOP-6J-6 | - |
| Packaging | Reel | Reel | - |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Mounting Style | - | SMD/SMT | - |
| Output Voltage | - | 1 V | - |
| Output Current | - | 1 A | - |
| Number of Outputs | - | 1 Output | - |
| Input Voltage MAX | - | 6 V | - |
| Input Voltage MIN | - | 1.4 V | - |
| Output Type | - | Fixed | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Dropout Voltage | - | 560 mV | - |
| Series | - | R1172S | - |
| Product | - | LDO Voltage Regulators | - |
| Type | - | CMOS LDO Regulator | - |
| Output Voltage Range | - | - | - |
| PSRR / Ripple Rejection Typ | - | 70 dB | - |
| Voltage Regulation Accuracy | - | 2 % | - |
| Line Regulation | - | 0.05 %/V | - |
| Load Regulation | - | 50 mV | - |
| Operating Supply Current | - | 60 uA | - |
| Pd Power Dissipation | - | 1.7 W | - |