LTC3855EUJ
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LTC3855EUJ is a PolyPhase® series synchronous buck controller designed for high-performance power management applications. This 40-QFN (6x6) package component features a dual-output, positive step-down DC-DC conversion topology. It offers precise control with features including current limit, enable, frequency control, phase control, power good indication, soft-start, and tracking. The operating temperature range is -40°C to 85°C (TA).
The LTC3855EUJ supports a switching frequency from 250kHz to 770kHz and boasts a maximum duty cycle of 95%. This controller is suitable for demanding applications across various industries including telecommunications, data centers, and industrial systems where efficient and stable voltage regulation is critical. The device incorporates synchronous rectification and operates from a supply voltage of 4.5V to 38V.
Additional Information
Series: PolyPhase®RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 40-WFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 770kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Supplier Device Package | 40-QFN (6x6) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 95% |
| Clock Sync | No |
| Number of Outputs | 2 |
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