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| Part Number | L4973V3.3 | L4973D3.3 |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 8V | 8V |
| Voltage - Input (Max) | 55V | 55V |
| Voltage - Output (Min/Fixed) | 0.5V (3.3V) | 0.5V (3.3V) |
| Voltage - Output (Max) | 50V | 50V |
| Current - Output | 3.5A | 3.5A |
| Frequency - Switching | 100kHz ~ 300kHz | 100kHz ~ 300kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Surface Mount |
| Package / Case | 18-DIP (0.300", 7.62mm) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 18-DIP | 20-SO |
