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| Part Number | LTC3861IUH-1#PBF | LTC3862IUH-1#PBF | LTC3861EUH-1#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Output Type | PWM Signal | Transistor Driver | PWM Signal |
| Function | Step-Down | Step-Up, Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Boost, SEPIC | Buck |
| Number of Outputs | 2 | 2 | 2 |
| Output Phases | 2 | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V | 8.5V ~ 36V | 3V ~ 5.5V |
| Frequency - Switching | 250kHz ~ 3MHz | 75kHz ~ 500kHz | 250kHz ~ 3MHz |
| Duty Cycle (Max) | 91.5% | 96% | 91.5% |
| Synchronous Rectifier | No | No | No |
| Clock Sync | No | Yes | No |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | Enable, Frequency Control, Phase Control, Soft Start | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 24-WQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) | 24-QFN (5x5) | 32-QFN (5x5) |
