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| Part Number | LTC3544EUD#PBF | LTC3545EUD#PBF | LTC3544BEUD#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 4 | 3 | 4 |
| Voltage - Input (Min) | 2.25V | 2.25V | 2.25V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V | 0.6V | 0.8V |
| Voltage - Output (Max) | 5.5V | 5.5V | 5.5V |
| Current - Output | 100mA, 200mA(2), 300mA | 800mA | 100mA, 200mA(2), 300mA |
| Frequency - Switching | 2.25MHz | 2.25MHz | 2.25MHz |
| Synchronous Rectifier | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad |
| Supplier Device Package | 16-QFN (3x3) | 16-QFN (3x3) | 16-QFN (3x3) |
