LTC3859AEFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LTC3859AEFE is a highly versatile positive output DC-DC controller IC. This component supports Buck, Buck-Boost, and SEPIC topologies, offering step-down and step-up/step-down capabilities. It features three outputs and utilizes transistor driver output types, with two output phases. The device operates with a wide input voltage range of 4.5V to 38V and offers a flexible switching frequency range from 115kHz up to 835kHz. Control features include Enable, Frequency Control, Power Good, Soft Start, and Tracking. The LTC3859AEFE is packaged in a 38-TSSOP-EP with an exposed pad and is suitable for surface mount applications. Its operating temperature range is -40°C to 125°C (TJ). This controller finds application in various industries, including automotive, industrial, and telecommunications.
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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