LTC3643IUDD
IC REG BUCK BST ADJ 2A 24QFNManufacturer: Analog Devices Inc.
Categories: DC DC Switching Regulators
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The Analog Devices Inc. LTC3643IUDD is a highly efficient, synchronous buck-boost switching regulator IC. This versatile component offers a wide input voltage range from 3V to 17V, supporting adjustable positive output voltages from 0.6V up to the input voltage. With a capable 2A output current and a fixed 1MHz switching frequency, the LTC3643IUDD is designed for demanding applications. Its buck-boost topology allows for output voltages both above and below the input voltage, simplifying power supply design. The device features a 24-lead QFN (3x5) package with an exposed pad for enhanced thermal performance, suitable for surface mounting. This component is frequently utilized in battery-powered portable devices, power management systems, and point-of-load applications where efficient voltage regulation is critical. The LTC3643IUDD operates across a temperature range of -40°C to 125°C (TJ).
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 24-WFQFN Exposed Pad |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Up, Step-Down |
| Current - Output | 2A |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 1MHz |
| Voltage - Input (Max) | 17V |
| Topology | Buck, Boost |
| Supplier Device Package | 24-QFN (3x5) |
| Synchronous Rectifier | Yes |
| Voltage - Output (Max) | - |
| Voltage - Input (Min) | 3V |
| Voltage - Output (Min/Fixed) | 0.6V |
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