LTC3897HFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3897HFE is a high-performance, dual-phase, synchronous boost controller designed for step-up DC-DC applications. This device operates with a wide input voltage range of 4.5V to 65V, featuring a flexible switching frequency adjustable from 75kHz to 850kHz. The LTC3897HFE incorporates current-mode control with programmable current limit, overcurrent protection, and output voltage ramping for robust power management. Its dual-phase operation and synchronous rectification ensure high efficiency and reduced input ripple, making it suitable for demanding applications in automotive, industrial power, and high-power computing. The controller supports a positive output configuration and offers an exposed pad for enhanced thermal performance in its 38-TSSOP-EP package.
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-TFSOP (0.173"", 4.40mm Width) Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 75kHz ~ 850kHz |
| Topology | Boost |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 65V |
| Supplier Device Package | 38-TSSOP-EP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Frequency Control, Overcurrent, Ramping |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | - |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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