IR3891MTRPBF
IC REG BUCK ADJ 4A DL PQFNManufacturer: Infineon Technologies
Categories: DC DC Switching Regulators
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Infineon Technologies' SupIRBuck® series IR3891MTRPBF is a highly efficient, dual-output, synchronous buck switching regulator. This adjustable positive voltage regulator is designed for demanding applications, offering up to 4A of output current per channel from a single IC. The output voltage is adjustable from 0.5V up to 18.06V, with a wide input voltage range of 1V to 21V. Featuring a flexible switching frequency range of 300kHz to 1.5MHz, the IR3891MTRPBF allows for optimization of component size and efficiency. Its integrated synchronous rectifier eliminates the need for a Schottky diode, further enhancing performance and reducing component count. The 31-PowerVFQFN package with a 5x6 PQFN footprint is suitable for surface mount applications. This component is commonly utilized in industrial automation, telecommunications infrastructure, and computing power management systems.
Additional Information
Series: SupIRBuck®RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 31-PowerVFQFN |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 2 |
| Function | Step-Down |
| Current - Output | 4A |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 300kHz ~ 1.5MHz |
| Voltage - Input (Max) | 21V |
| Topology | Buck |
| Supplier Device Package | PQFN (5x6) |
| Synchronous Rectifier | Yes |
| Voltage - Output (Max) | 18.06V |
| Voltage - Input (Min) | 1V |
| Voltage - Output (Min/Fixed) | 0.5V |
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