IR3891MTR1PBF
IC REG BUCK ADJ 4A DL PQFNManufacturer: Infineon Technologies
Categories: DC DC Switching Regulators
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The Infineon Technologies SupIRBuck® series IR3891MTR1PBF is a high-performance, dual-output, adjustable buck switching regulator IC. This PQFN packaged component delivers up to 4A per output with a wide input voltage range of 1V to 21V, supporting adjustable output voltages from 0.5V up to 18.06V. Its integrated synchronous rectifier design optimizes efficiency, and the switching frequency can be configured from 300kHz to 1.5MHz, allowing for flexible power supply design. The IR3891MTR1PBF is suitable for demanding applications across automotive, industrial, and consumer electronics sectors requiring efficient and compact power solutions. It is supplied in Tape & Reel packaging for automated assembly.
Additional Information
Series: SupIRBuck®RoHS Status: unknownManufacturer 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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