| Part Number | IR3859MTR1PBF | IR3899MTR1PBF |
|---|---|---|
| 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) | 1.5V | 1V |
| Voltage - Input (Max) | 21V | 21V |
| Voltage - Output (Min/Fixed) | 0.7V | 0.5V |
| Voltage - Output (Max) | 18.9V | 18.06V |
| Current - Output | 9A | 9A |
| Frequency - Switching | 225kHz ~ 1.65MHz | 300kHz ~ 1.5MHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 17-PowerVQFN | 16-PowerVQFN |
| Supplier Device Package | 17-PQFN (5x6) | 16-PQFN (4x5) |