| PartNumber | R5220K251A-TR | R5220K231A-TR | R5220K221A-TR |
| Description | Switching Voltage Regulators 400mA PWM Step-down DCDC Converter with Switch Function | Switching Voltage Regulators 400mA PWM Step-down DCDC Converter with Switch Function | Switching Voltage Regulators 400mA PWM Step-down DCDC Converter with Switch Function |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Ricoh Electronics |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Package / Case | DFN-PLP-2514-6 | DFN-PLP-2514-6 | DFN-PLP-2514-6 |
| Packaging | Reel | Reel | Reel |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company |
| 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 |