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| Part Number | LTC3805EMSE#PBF | LTC3805IMSE#PBF | LTC3805HMSE#PBF | LTC3809EMSE#PBF |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up/Step-Down | Step-Up/Step-Down | Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive |
| Topology | Flyback | Flyback | Flyback | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.95V ~ 9.5V | 3.95V ~ 9.5V | 3.95V ~ 9.5V | 2.75V ~ 9.8V |
| Frequency - Switching | 70kHz ~ 700kHz | 70kHz ~ 700kHz | 70kHz ~ 700kHz | 460kHz ~ 635kHz |
| Duty Cycle (Max) | 80% | 80% | 80% | 100% |
| Synchronous Rectifier | No | No | No | Yes |
| Clock Sync | Yes | Yes | Yes | Yes |
| Serial Interfaces | - | - | - | - |
| Control Features | Enable, Soft Start | Enable, Soft Start | Enable, Soft Start | Enable |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP | 10-MSOP-EP | 10-MSOP-EP | 10-MSOP-EP |
