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| Part Number | L4976D | L4978D | L4971D | L4976 |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 8V | 8V | 8V | 8V |
| Voltage - Input (Max) | 55V | 55V | 55V | 55V |
| Voltage - Output (Min/Fixed) | 0.5V | 3.3V | 3.3V | 0.5V |
| Voltage - Output (Max) | 50V | 50V | 50V | 50V |
| Current - Output | 1A | 2A | 1.5A | 1A |
| Frequency - Switching | 100kHz ~ 300kHz | 100kHz ~ 300kHz | 100kHz ~ 300kHz | 100kHz ~ 300kHz |
| Synchronous Rectifier | No | No | No | No |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-SO W | 16-SO W | 16-SO W | 8-DIP |
