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| Part Number | LTC3859AIUHF#PBF | LTC3859IUHF#PBF | LTC3859ALIUHF#PBF | LTC3859AEUHF#PBF | LTC3859AHUHF#PBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Linear Technology |
| Product Status | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - |
| Function | Step-Down, Step-Up/Step-Down | Step-Down, Step-Up/Step-Down | Step-Down, Step-Up/Step-Down | Step-Down, Step-Up/Step-Down | - |
| Output Configuration | Positive | Positive | Positive | Positive | - |
| Topology | Buck, Buck-Boost, SEPIC | Buck, Buck-Boost, SEPIC | Buck, Buck-Boost, SEPIC | Buck, Buck-Boost, SEPIC | - |
| Number of Outputs | 3 | 3 | 3 | 3 | - |
| Output Phases | 2 | 2 | 2 | 2 | - |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V | 4.5V ~ 38V | 4.5V ~ 38V | 4.5V ~ 38V | - |
| Frequency - Switching | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 115kHz ~ 835kHz, 350kHz ~ 535kHz | - |
| Duty Cycle (Max) | 99%, 100% | 99%, 100% | 99%, 100% | 99%, 100% | - |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | - |
| Clock Sync | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Power Good, Soft Start, Tracking | - |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | 38-WFQFN Exposed Pad | - |
| Supplier Device Package | 38-QFN (5x7) | 38-QFN (5x7) | 38-QFN (5x7) | 38-QFN (5x7) | - |
