| PartNumber | R1172S121B-E2-FE | R1172S121A-E2-FE | R1172S101B-E2-FE |
| Description | LDO Voltage Regulators Low voltage LDO Regulator | LDO Voltage Regulators Low Voltage 1A Voltage Regulator | LDO Voltage Regulators Low Voltage 1A Voltage Regulator |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Ricoh Electronics |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | HSOP-6J-6 | HSOP-6J-6 | HSOP-6J-6 |
| Output Voltage | 1.2 V | - | 1 V |
| Output Current | 1 A | - | 1 A |
| Number of Outputs | 1 Output | - | 1 Output |
| Input Voltage MAX | 6 V | - | 6 V |
| Input Voltage MIN | 1.4 V | - | 1.4 V |
| Output Type | Fixed | - | Fixed |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Dropout Voltage | 560 mV | - | 560 mV |
| Series | R1172S | - | R1172S |
| Packaging | Reel | Reel | Reel |
| Product | LDO Regulators | - | LDO Voltage Regulators |
| Type | CMOS LDO Regulator | - | CMOS LDO Regulator |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company |
| Output Voltage Range | - | - | - |
| PSRR / Ripple Rejection Typ | 70 dB | - | 70 dB |
| Voltage Regulation Accuracy | 2 % | - | 2 % |
| Line Regulation | 0.05 % / V | - | 0.05 %/V |
| Load Regulation | 50 mV | - | 50 mV |
| Operating Supply Current | 60 uA | - | 60 uA |
| Pd Power Dissipation | 1.7 W | - | 1.7 W |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |