LTC3773EUHF
IC REG CTRLR BUCK 38QFNManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LTC3773EUHF is a high-performance, 3-phase synchronous buck controller designed for efficient step-down DC-DC conversion. This component is engineered for applications requiring precise voltage regulation and high power density. It features a wide input voltage range of 3.3V to 36V and operates with a switching frequency adjustable from 220kHz to 560kHz. The LTC3773EUHF supports a maximum duty cycle of 98.5% and incorporates advanced control features including Enable, Power Good, and Tracking for robust system management. Its output configuration is positive, and it drives external power transistors. The device is housed in a 38-QFN (5x7mm) package with an exposed pad for enhanced thermal performance, suitable for surface mount applications. This controller is ideal for use in power supplies for automotive, industrial, and telecommunications equipment.
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 | 38-WFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C |
| Output Configuration | Positive |
| Frequency - Switching | 220kHz ~ 560kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 3.3V ~ 36V |
| Supplier Device Package | 38-QFN (5x7) |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Power Good, Tracking |
| Serial Interfaces | - |
| Output Phases | 3 |
| Duty Cycle (Max) | 98.5% |
| Clock Sync | No |
| Number of Outputs | 3 |
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