LTC3859EFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3859EFE is a versatile DC-DC controller IC designed for step-down, step-up/step-down, and SEPIC topologies. This 38-TSSOP-EP packaged component features dual output phases and supports positive output configurations. It operates within a supply voltage range of 4.5V to 38V, with adjustable switching frequencies from 115kHz to 835kHz. Key control features include enable, frequency control, power good signaling, soft start, and tracking capabilities. The LTC3859EFE incorporates synchronous rectification for enhanced efficiency and is suitable for applications requiring multiple power rails. Its robust design and flexible operation make it a valuable component for power management in automotive, industrial, and telecommunications systems. The operating temperature range is -40°C to 125°C.
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-Down, Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 115kHz ~ 835kHz, 350kHz ~ 535kHz |
| Topology | Buck, Buck-Boost, SEPIC |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Supplier Device Package | 38-TSSOP-EP |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 99%, 100% |
| Clock Sync | No |
| Number of Outputs | 3 |
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