| Part Number | LT3581EDE#PBF | LT3681EDE#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-Up, Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive or Negative | Positive |
| Topology | Boost, Charge Pump, Cuk, Flyback, SEPIC | Buck |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 3.6V |
| Voltage - Input (Max) | 22V | 34V |
| Voltage - Output (Min/Fixed) | 1.215V | 1.265V |
| Voltage - Output (Max) | 42V (Switch) | 20V |
| Current - Output | 3.3A (Switch) | 2A |
| Frequency - Switching | 200kHz ~ 2.5MHz | 300kHz ~ 2.8MHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 14-WFDFN Exposed Pad | 14-WFDFN Exposed Pad |
| Supplier Device Package | 14-DFN (4x3) | 14-DFN (4x3) |