LTC7851IUHH
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LTC7851IUHH is a powerful 4-phase, step-down DC-DC controller designed for high-performance power management applications. This buck regulator IC features a wide input voltage range of 3V to 5.5V and supports switching frequencies from 250kHz up to 3MHz, allowing for optimized efficiency and component size. The LTC7851IUHH offers precise output voltage regulation with advanced control features including adjustable current limit, enable, frequency control, power good indication, soft start, and tracking capabilities. Its output configuration is positive, providing a PWM signal. The device is housed in a 58-QFN (5x9) package with an exposed pad for enhanced thermal performance, suitable for surface mount applications. This versatile controller is commonly utilized in demanding sectors such as automotive, industrial automation, and high-performance computing.
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 | 58-WFQFN Exposed Pad |
| Output Type | PWM Signal |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 125°C |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 3MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Supplier Device Package | 58-QFN (5x9) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 91.5% |
| Clock Sync | No |
| Number of Outputs | 4 |
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