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| Part Number | IR3821MTRPBF | IR3841MTRPBF | IR3822MTRPBF | IR3871MTRPBF | IR3891MTRPBF | IR3823MTRPBF | IR3827MTRPBF | IR3801MTRPBF | IR3811MTRPBF | IR3820MTRPBF | IR3821AMTRPBF | IR3821MTR1PBF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 1.5V | 2.5V | 3V | 1V | 5.5V | 5.5V | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V |
| Voltage - Input (Max) | 21V | 16V | 21V | 26V | 21V | 21V | 21V | 21V | 21V | 21V | 21V | 21V |
| Voltage - Output (Min/Fixed) | 0.6V | 0.7V | 0.6V | 0.5V | 0.5V | 0.6V | 0.6V | 0.6V | 0.6V | 0.6V | 0.6V | 0.6V |
| Voltage - Output (Max) | 12V | 14.4V | 12V | 12V | 18.06V | 18.06V | 18.06V | 12V | 12V | 12V | 12V | 12V |
| Current - Output | 7A | 8A | 4A | 8A | 4A | 3A | 6A | 7A | 7A | 12A | 9A | 7A |
| Frequency - Switching | 600kHz | 225kHz ~ 1.65MHz | 600kHz | Up to 1MHz | 300kHz ~ 1.5MHz | 300kHz ~ 1.5MHz | 300kHz ~ 1.2MHz | 600kHz | 600kHz | 600kHz | 300kHz | 600kHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 17-PowerVQFN | 31-PowerVFQFN | 15-PowerVFQFN | 17-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN |
| Supplier Device Package | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | 15-PQFN (3.5x3.5) | 17-PQFN (4x5) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) |
