LTC3871HLXE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
Quality Control: Learn More
Analog Devices Inc. PolyPhase® LTC3871HLXE is a high-performance DC-DC controller IC designed for step-up and step-down power conversion. This versatile component supports a wide input voltage range from 1.2V to 100V and features a programmable output phase capability for flexible power system design. The LTC3871HLXE operates with a switching frequency adjustable from 60kHz to 460kHz, offering a maximum duty cycle of 98%.
Key control features include current limit, enable functionality, frequency control, phase control, and soft-start for robust power management. The device integrates a synchronous rectifier and is equipped for clock synchronization, enhancing efficiency. Its dual output configuration with positive output voltage and transistor driver output type makes it suitable for demanding applications. The 48-eLQFP (7x7) package ensures efficient thermal performance, supporting an operating temperature range of -40°C to 150°C. This controller is commonly employed in power supply units, electric vehicle charging systems, and industrial power conversion applications.
Additional Information
Series: PolyPhase®RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 48-LQFP Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up, Step-Down |
| Operating Temperature | -40°C ~ 150°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 60kHz ~ 460kHz |
| Topology | Buck, Boost |
| Voltage - Supply (Vcc/Vdd) | 1.2V ~ 100V |
| Supplier Device Package | 48-eLQFP (7x7) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Soft Start |
| Serial Interfaces | - |
| Output Phases | Programmable |
| Duty Cycle (Max) | 98% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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