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| Part Number | IR3843WMTR1PBF | IR3843WMTRPBF | IR3840WMTR1PBF | IR3841WMTR1PBF | IR3842WMTR1PBF | IR3843AMTR1PBF |
|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 1.5V | 1.5V | 1.5V | 1.5V | 1.5V | 1.5V |
| Voltage - Input (Max) | 16V | 16V | 16V | 16V | 16V | 21V |
| Voltage - Output (Min/Fixed) | 0.7V | 0.7V | 0.7V | 0.7V | 0.7V | 0.7V |
| Voltage - Output (Max) | 14.4V | 14.4V | 14.4V | 14.4V | 14.4V | 18.9V |
| Current - Output | 2A | 2A | 12A | 8A | 4A | 3A |
| Frequency - Switching | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | 225kHz ~ 1.32MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -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 |
| Package / Case | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN | 15-PowerVQFN |
| Supplier Device Package | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) | PQFN (5x6) |
