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| Part Number | LT1109CS8#PBF | LT1107CS8#PBF | LT1108CS8#PBF | LT1109ACS8#PBF | LT1109CN8#PBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Function | Step-Up | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up | Step-Up |
| Output Configuration | Positive | Positive or Negative | Positive or Negative | Positive | Positive |
| Topology | Boost | Buck, Boost | Buck, Boost | Boost | Boost |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 3V | 2V | 2V | 2V | 3V |
| Voltage - Input (Max) | 20V | 30V | 30V | 9V | 20V |
| Voltage - Output (Min/Fixed) | 1.25V | 1.25V | 1.245V | 1.25V | 1.25V |
| Voltage - Output (Max) | 50V (Switch) | 50V (Switch) | 50V (Switch) | 50V (Switch) | 50V (Switch) |
| Current - Output | 1.2A (Switch) | 1.5A (Switch) | 1.5A (Switch) | 2A (Switch) | 1.2A (Switch) |
| Frequency - Switching | 120kHz | 63kHz | 19kHz | 120kHz | 120kHz |
| Synchronous Rectifier | No | No | No | No | No |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-SO | 8-SO | 8-SO | 8-SO | 8-PDIP |
