| Part Number | IR3871MTR1PBF | IR3821MTR1PBF |
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Obsolete | Obsolete |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 3V | 2.5V |
| Voltage - Input (Max) | 26V | 21V |
| Voltage - Output (Min/Fixed) | 0.5V | 0.6V |
| Voltage - Output (Max) | 12V | 12V |
| Current - Output | 8A | 7A |
| Frequency - Switching | Up to 1MHz | 600kHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 17-PowerVQFN | 15-PowerVQFN |
| Supplier Device Package | PQFN (5x6) | PQFN (5x6) |