| Part Number | LT1959IS8#PBF | LT1949IS8#PBF |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Active | Active |
| Function | Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck, SEPIC | Boost, SEPIC |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 4.3V | 1.7V |
| Voltage - Input (Max) | 15V | 12V |
| Voltage - Output (Min/Fixed) | 1.21V | 1.7V |
| Voltage - Output (Max) | 12.9V | 28V |
| Current - Output | 4.5A (Switch) | 1A (Switch) |
| Frequency - Switching | 500kHz | 600kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO | 8-SO |