| Part Number | LT3959EFE | LT3959IFE |
|---|---|---|
| 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 | Obsolete | Obsolete |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive or Negative | Positive or Negative |
| Topology | Boost, Cuk, SEPIC | Boost, Cuk, SEPIC |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 1.6V | 1.6V |
| Voltage - Input (Max) | 40V | 40V |
| Voltage - Output (Min/Fixed) | 0.8V | 0.8V |
| Voltage - Output (Max) | 40V (Switch) | 40V (Switch) |
| Current - Output | 6A (Switch) | 6A (Switch) |
| Frequency - Switching | 100kHz ~ 1MHz | 100kHz ~ 1MHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP | 38-TSSOP-EP |