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| Part Number | LTC3731CUH#PBF | LTC3731HUH#PBF | LTC3731IUH#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Linear Technology | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Number of Outputs | 3 | 3 | 3 |
| Output Phases | 3 | 3 | 3 |
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 7V | 3.8V ~ 7V | 3.8V ~ 7V |
| Frequency - Switching | 225kHz ~ 680kHz | 225kHz ~ 680kHz | 225kHz ~ 680kHz |
| Duty Cycle (Max) | 98.5% | 98.5% | 98.5% |
| Synchronous Rectifier | Yes | Yes | Yes |
| Clock Sync | No | No | No |
| Serial Interfaces | - | - | - |
| Control Features | Enable, Phase Control, Power Good, Soft Start | Enable, Phase Control, Power Good, Soft Start | Enable, Phase Control, Power Good, Soft Start |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 140°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) |
