LTC7851IUHH-1
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC7851IUHH-1 is a high-performance, synchronous buck controller IC designed for step-down DC-DC conversion. This component features a voltage supply range of 3V to 5.5V and operates with a switching frequency from 250kHz to 3MHz, supporting a maximum duty cycle of 91.5%. The LTC7851IUHH-1 offers advanced control features including current limit, enable, frequency control, power good indication, soft start, and tracking. It is packaged in a 58-QFN (5x9) surface-mount configuration and is suitable for applications requiring multiple output phases, though it provides a single output phase and positive output configuration. The device is engineered for operation across a wide temperature range, from -40°C to 125°C. Industries commonly utilizing this component include telecommunications, industrial power supplies, and automotive electronics.
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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