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| TYPE | DESCRIPTION |
| Mfr | Analog Devices Inc. |
| Series | - |
| Package | Tape & Reel (TR) |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck, Buck-Boost, SEPIC |
| Number of Outputs | 3 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Frequency - Switching | 115kHz ~ 835kHz, 350kHz ~ 535kHz |
| Duty Cycle (Max) | 99%, 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Serial Interfaces | - |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 38-WFQFN Exposed Pad |
| Supplier Device Package | 38-QFN (5x7) |
| Base Product Number | LTC3859 |
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