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| Part Number | LTC7820EUFD#PBF | LTC7840EUFD#PBF | LTC7820IUFD#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Output Type | Transistor Driver | PWM | Transistor Driver |
| Function | Step-Up, Step-Down | Step-Up | Step-Up, Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck, Boost | Boost | Buck, Boost |
| Number of Outputs | 1 | 2 | 1 |
| Output Phases | 2 | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 6V ~ 72V | 5.5V ~ 60V | 6V ~ 72V |
| Frequency - Switching | 100kHz ~ 1MHz | 50kHz ~ 425kHz | 100kHz ~ 1MHz |
| Duty Cycle (Max) | 50% | 96% | 50% |
| Synchronous Rectifier | No | No | No |
| Clock Sync | No | Yes | No |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good | Current Limit, 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x5) | 28-QFN (4x5) | 28-QFN (4x5) |
