| PartNumber | RP122K121B-TR | RP122K181D-TR | RP122K121D-TR |
| Description | Supervisory Circuits 400 mA Low Noise and Low Supply Current LDO Regulator | LDO Voltage Regulators 400 mA Low Noise and Low Supply Current LDO Regulator | LDO Voltage Regulators 400 mA Low Noise and Low Supply Current LDO Regulator |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Ricoh Electronics |
| Product Category | Supervisory Circuits | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Type | Low Noise | - | High Performance Voltage Regulator |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | DFN1010-4 | DFN-PLP-1010-4 | DFN-PLP-1010-4 |
| Output Type | Fixed | - | Fixed |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 125 C |
| Series | R5111S | RP122x | RP122x |
| Packaging | Reel | Reel | Reel |
| Output Current | 400 mA | - | 400 mA |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company |
| Operating Supply Current | 9.5 uA | - | 9.5 uA |
| Product Type | Supervisory Circuits | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 10000 | 10000 | 10000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Output Voltage | - | - | 1.2 V |
| Number of Outputs | - | - | 1 Output |
| Polarity | - | - | Negative |
| Input Voltage MAX | - | - | 5.25 V |
| Input Voltage MIN | - | - | 1.9 V |
| Product | - | - | LDO Voltage Regulators |
| PSRR / Ripple Rejection Typ | - | - | 90 dB |
| Line Regulation | - | - | 0.02 %/V |
| Load Regulation | - | - | 13 mV |
| Pd Power Dissipation | - | - | 800 mW |