LTC3871ILXE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3871ILXE is a PolyPhase® series dual-output synchronous buck-boost DC-DC controller IC. This highly versatile component provides positive output voltage regulation for step-up and step-down applications, driving external N-channel MOSFETs. Key control features include programmable output phases, current limit, enable, frequency control, and soft-start functionality, enabling precise power management. The device operates across a wide input voltage range of 1.2V to 100V and supports switching frequencies from 60kHz up to 460kHz, with a maximum duty cycle of 98%. Clock synchronization is supported for multi-phase operation. The LTC3871ILXE is packaged in a 48-eLQFP (7x7) surface-mount configuration, suitable for operation in harsh environments with an extended temperature range of -40°C to 125°C. This component is commonly utilized in high-density power conversion systems across various industries, including automotive, industrial automation, and telecommunications infrastructure.
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 ~ 125°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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