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| PartNumber | R1272S001A-E2-FE | R1272S011A-E2-FE | R1272S001A-E2-YE |
| Description | Switching Controllers 34V Input PWM/VFM Step-down DCDC Controller with PLL Synchronization | Switching Controllers 34V Input PWM/VFM Step-down DCDC Controller with PLL Synchronization | Switching Controllers 34 V Input Synchronous Step-down DC / DC Controller for Industrial Applications |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Ricoh Electronics |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Topology | Buck | Buck | Buck |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Switching Frequency | 250 kHz to 1 MHz | 250 kHz to 1 MHz | 250 kHz to 1 MHz |
| Input Voltage | 4 V to 34 V | 4 V to 34 V | 4 V to 34 V |
| Output Voltage | 0.7 V to 5.3 V | 0.7 V to 5.3 V | 0.7 V to 5.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | HSOP-18 | HSOP-18 | HSOP-18 |
| Packaging | Reel | Reel | Reel |
| Isolation | Non-Isolated | Non-Isolated | Non-Isolated |
| Product | Synchronous Step-Down DC/DC Controller | Synchronous Step-Down DC/DC Controller | Synchronous Step-Down DC/DC Controller for Industrial Applications |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Operating Supply Current | 15 A | 15 A | 15 A |
| Operating Supply Voltage | 12 V | 12 V | 12 V |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |