LTC3855EFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
Quality Control: Learn More
Analog Devices Inc. presents the LTC3855EFE, a PolyPhase® series buck controller designed for efficient step-down DC-DC conversion. This device features a 4.5V to 38V input voltage range and supports dual output phases with a maximum duty cycle of 95%. The switching frequency can be programmed from 250kHz to 770kHz, offering flexibility in power supply design.
Key control features include current limit, enable, frequency control, phase control, power good indication, soft start, and tracking capabilities. The LTC3855EFE integrates synchronous rectification for improved efficiency. Its 38-TSSOP-EP package with an exposed pad is suitable for surface mounting. This component is widely utilized in high-performance computing, telecommunications infrastructure, and industrial power systems.
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 | 38-TFSOP (0.173"", 4.40mm Width) 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 | 38-TSSOP-EP |
| 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 |
Request a Quote
Clients Also Buy
LTC3787EUFD#PBF
IC REG CTRLR BOOST 28QFN
LTC3855IUJ#TRPBF
IC REG CTRLR BUCK 40QFN
LTC3787IUFD#PBF
IC REG CTRLR BOOST 28QFN
