LTC3859ALMPFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3859ALMPFE is a high-performance, multi-topology DC-DC controller IC. This device supports Buck, Buck-Boost, and SEPIC converter topologies, offering versatile power management solutions with positive output configurations. It features two output phases and can drive external N-channel MOSFETs, enabling high-current applications. The operating temperature range of -55°C to 150°C (TJ) and a supply voltage range of 4.5V to 38V make it suitable for demanding environments. Key control features include Enable, Frequency Control, Power Good, Soft Start, and Tracking. The switching frequency is adjustable from 115kHz to 835kHz, with a typical operating range around 350kHz to 535kHz, and a maximum duty cycle of 100%. This component is commonly utilized in automotive, industrial, and data center power supply designs. It is supplied in a 38-TSSOP-EP package.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download 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 | -55°C ~ 150°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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