| PartNumber | IR3621FTRPBF | IR3621F | IR3621FTR |
| Description | Switching Controllers | IC REG CTRLR BUCK 28TSSOP | IC REG CTRLR BUCK 28TSSOP |
| Manufacturer | Infineon | Infineon Technologies | Infineon Technologies |
| Product Category | Switching Controllers | IC Chips | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Number of Outputs | 2 Output | 2 | 2 |
| Switching Frequency | 500 kHz | - | - |
| Input Voltage | 4.7 V to 16 V | - | - |
| Output Voltage | 0.8 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSSOP-28 | - | - |
| Type | Synchronous Buck Controller, PWM DC to DC Controller | - | - |
| Brand | Infineon / IR | - | - |
| Product Type | Switching Controllers | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.014215 oz | - | - |
| 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 |
| 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 | - | - | - |