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| Part Number | ST1S31PUR | ST1S32PUR | ST1S41PUR |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| 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 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.8V | 2.8V | 4V |
| Voltage - Input (Max) | 5.5V | 5.5V | 18V |
| Voltage - Output (Min/Fixed) | 0.8V | 0.8V | 0.8V |
| Voltage - Output (Max) | 5.5V | 5.5V | 18V |
| Current - Output | 3A | 4A | 4A |
| Frequency - Switching | 1.5MHz | 1.5MHz | 850kHz |
| Synchronous Rectifier | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad |
| Supplier Device Package | 8-QFN (3x3) | 8-DFN (4x4) | 8-DFN (4x4) |
