LTC3897IFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LTC3897IFE is a high-performance, dual-phase synchronous step-up DC-DC controller. This device features a wide input voltage range of 4.5V to 65V, making it suitable for demanding power applications. The LTC3897IFE supports configurable switching frequencies from 75kHz to 850kHz, allowing for optimization of efficiency and component size. Its current mode control architecture provides excellent transient response and cycle-by-cycle current limiting. The controller includes features such as frequency synchronization, programmable soft-start, and robust overcurrent protection. With two output phases and the ability to drive external N-channel MOSFETs, it efficiently handles high power requirements. The 38-TSSOP-EP package with an exposed pad ensures effective thermal management. The LTC3897IFE is commonly utilized in automotive systems, industrial power supplies, and high-power battery-backed devices.
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 ~ 125°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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