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| Part Number | LTC3779HFE#PBF | LTC3779IFE#PBF | LTC3769HFE#PBF | LTC3779EFE#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-Up/Step-Down | Step-Up, Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck, Boost | Buck, Boost | Boost, SEPIC | Buck, Boost |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 150V | 4.5V ~ 150V | 4.5V ~ 60V | 4.5V ~ 150V |
| Frequency - Switching | 50kHz ~ 600kHz | 50kHz ~ 600kHz | 105kHz ~ 760kHz | 50kHz ~ 600kHz |
| Duty Cycle (Max) | 90% | 90% | 96% | 90% |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Clock Sync | No | No | No | No |
| Serial Interfaces | - | - | - | - |
| Control Features | Current Limit, Power Good, Soft Start | Current Limit, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP | 38-TSSOP-EP | 20-TSSOP-EP | 38-TSSOP-EP |
