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| Part Number | MAX17543ATP+T | MAX17544ATP+T | MAX17545ATP+T | MAX17546ATP+T | MAX17503ATP+T | MAX17543ATP+ |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 4.5V | 4.5V | 4.5V | 4.5V | 4.5V | 4.5V |
| Voltage - Input (Max) | 42V | 42V | 42V | 42V | 60V | 42V |
| Voltage - Output (Min/Fixed) | 0.9V | 0.9V | 0.9V | 0.9V | 0.9V | 0.9V |
| Voltage - Output (Max) | 37.8V | 37.8V | 37.8V | 37.8V | 54V | 37.8V |
| Current - Output | 2.5A | 3.5A | 1.7A | 5A | 2.5A | 2.5A |
| Frequency - Switching | 100kHz ~ 2.2MHz | 100kHz ~ 2.2MHz | 100kHz ~ 2.2MHz | 100kHz ~ 2.2MHz | 100kHz ~ 2.2MHz | 100kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-WFQFN Exposed Pad | 20-WQFN Exposed Pad | 20-WFQFN Exposed Pad | 20-WQFN Exposed Pad | 20-WFQFN Exposed Pad | 20-WFQFN Exposed Pad |
| Supplier Device Package | 20-TQFN (4x4) | 20-TQFN (5x5) | 20-TQFN (4x4) | 20-TQFN (5x5) | 20-TQFN (4x4) | 20-TQFN (4x4) |
