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| PartNumber | IR3621F | IR3621FPBF | IR3621FTR |
| Description | IC REG CTRLR BUCK 28TSSOP | IC REG CTRLR BUCK 28TSSOP | |
| Manufacturer | Infineon Technologies | - | Infineon Technologies |
| Product Category | IC Chips | - | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Series | - | - | - |
| Packaging | Tube Alternate Packaging | - | Digi-ReelR Alternate Packaging |
| Package Case | 28-TSSOP (0.173", 4.40mm Width) | - | 28-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | -40°C ~ 125°C (TJ) | - | -40°C ~ 125°C (TJ) |
| Output Type | Transistor Driver | - | Transistor Driver |
| Function | Step-Down | - | Step-Down |
| Supplier Device Package | 28-TSSOP | - | 28-TSSOP |
| Number of Outputs | 2 | - | 2 |
| Topology | Buck | - | Buck |
| Voltage Supply Vcc Vdd | 5.5 V ~ 14.5 V | - | 5.5 V ~ 14.5 V |
| Frequency Switching | 200kHz ~ 500kHz | - | 200kHz ~ 500kHz |
| Control Features | Frequency Control, Power Good, Soft Start | - | Frequency Control, Power Good, Soft Start |
| Output Configuration | Positive | - | Positive |
| Output Phases | 2 | - | 2 |
| Duty Cycle Max | 0.865 | - | 0.865 |
| Synchronous Rectifier | Yes | - | Yes |
| Clock Sync | Yes | - | Yes |
| Serial Interfaces | - | - | - |