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| PartNumber | R1172S321D-E2-FE | R1172S301D-E2-FE | R1172S331A-E2-FE |
| Description | LDO Voltage Regulators Low Voltage 1A Voltage Regulator | LDO Voltage Regulators Low voltage LDO 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 | 3.2 V | 3 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 | 180 mV | 180 mV | - |
| Series | R1172S | R1172S | - |
| Packaging | Reel | Reel | Reel |
| Product | LDO Voltage Regulators | LDO 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 |