| PartNumber | IR3637ASTRPBF | IR3637ASPBF | IR3637SPBF |
| Description | IC REG CTRLR BUCK 8SOIC | IC REG CTRLR BUCK 8SOIC | IC REG CTRLR BUCK 8SOIC |
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Series | - | - | - |
| Product | Voltage Controllers | - | - |
| Packaging | Digi-ReelR | Tube | Tube |
| Unit Weight | 0.019048 oz | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package Case | SOIC-8 | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC |
| Number of Outputs | 1 | 1 | 1 |
| Topology | Buck | Buck | Buck |
| Voltage Supply Vcc Vdd | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Frequency Switching | 600kHz | 600kHz | 400kHz |
| Control Features | Enable, Soft Start | Enable, Soft Start | Enable, Soft Start |
| Output Configuration | Positive | Positive | Positive |
| Output Phases | 1 | 1 | 1 |
| Duty Cycle Max | 0.76 | 0.76 | 0.85 |
| Synchronous Rectifier | Yes | Yes | Yes |
| Clock Sync | No | No | No |
| Serial Interfaces | - | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Output Voltage | 0.8 V | - | - |
| Input Voltage | 4 V to 25 V | - | - |
| Output Current | 15 A | - | - |
| Switching Frequency | 600 kHz | - | - |