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| Part Number | IR3853MTR1PBF | IR3859MTR1PBF | IR3856MTR1PBF | IR3863MTR1PBF | IR3853MTRPBF |
|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 1.5V | 1.5V | 1.5V | 3V | 1.5V |
| Voltage - Input (Max) | 21V | 21V | 21V | 21V | 21V |
| Voltage - Output (Min/Fixed) | 0.7V | 0.7V | 0.7V | 0.5V | 0.7V |
| Voltage - Output (Max) | 18.9V | 18.9V | 18.9V | 12V | 18.9V |
| Current - Output | 4A | 9A | 6A | 6A | 4A |
| Frequency - Switching | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | 225kHz ~ 1.65MHz | Up to 750kHz | 225kHz ~ 1.65MHz |
| Synchronous Rectifier | 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 17-PowerVQFN | 17-PowerVQFN | 17-PowerVQFN | 17-PowerVQFN | 17-PowerVQFN |
| Supplier Device Package | 17-PQFN (4x5) | 17-PQFN (5x6) | 17-PQFN (5x6) | 17-PowerQFN (4x5) | 17-PQFN (4x5) |
