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| Part Number | LTC1144IS8#PBF | LTC1174IS8#PBF | LTC1144CS8#PBF | LTC1144IN8#PBF |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active |
| Function | Ratiometric | Step-Up, Step-Down, Step-Up/Step-Down | Ratiometric | Ratiometric |
| Output Configuration | Positive or Negative | Positive or Negative | Positive or Negative | Positive or Negative |
| Topology | Charge Pump | Buck, Buck-Boost | Charge Pump | Charge Pump |
| Output Type | Fixed | Adjustable | Fixed | Fixed |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2V | 4V | 2V | 2V |
| Voltage - Input (Max) | 18V | 18.5V | 18V | 18V |
| Voltage - Output (Min/Fixed) | -Vin, 2Vin, Vin/2 | 1.25V | -Vin, 2Vin, Vin/2 | -Vin, 2Vin, Vin/2 |
| Voltage - Output (Max) | - | 13V | - | - |
| Current - Output | 50mA | 340mA, 600mA | 50mA | 50mA |
| Frequency - Switching | 4kHz ~ 10kHz | 200kHz | 4kHz ~ 10kHz | 4kHz ~ 10kHz |
| Synchronous Rectifier | No | No | No | No |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | 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-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-SO | 8-SO | 8-SO | 8-PDIP |
