| Part Number | L4971D | L5971D |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Active | Obsolete |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 8V | 6.5V |
| Voltage - Input (Max) | 55V | 28V |
| Voltage - Output (Min/Fixed) | 3.3V | 1.26V |
| Voltage - Output (Max) | 50V | 20V |
| Current - Output | 1.5A | 1.5A |
| Frequency - Switching | 100kHz ~ 300kHz | 100kHz ~ 300kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SO W | 16-SO W |