| PartNumber | RP512Z181C-TR-F | RP512Z121D-TR-F | RP512K331D-TR |
| Description | Switching Voltage Regulators 0.3 A IQ Ultra-low Quiescent Current 300 mABuck DC/DC Converter | Switching Voltage Regulators 0.3 A IQ Ultra-low Quiescent Current 300 mABuck DC/DC Converter | Switching Voltage Regulators 0.3 A IQ Ultra-low Quiescent Current 300 mABuck DC/DC Converter |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Microchip |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLCSP-8 | WLCSP-8 | TMLF-10 |
| Output Voltage | 1.8 V | 1.2 V | - |
| Output Current | 300 mA | 300 mA | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Input Voltage MAX | 5.5 V | 5.5 V | - |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 2 V | 2 V | - |
| Switching Frequency | 1 MHz | 1 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | RP512Z | RP512Z | - |
| Packaging | Reel | Reel | Reel |
| Input Voltage | 2 V to 5.5 V | 2 V to 5.5 V | - |
| Quiescent Current | 0.3 uA | 0.3 uA | - |
| Type | DC/DC Converter | DC/DC Converter | - |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Microchip Technology / Micrel |
| Shutdown | No Shutdown | No Shutdown | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 5000 | 5000 | 5000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 2 V | 2 V | - |
| Part # Aliases | - | - | MIC23250-SKYMT TR |