| PartNumber | L4978D013TR | L4978D |
| Description | Switching Voltage Regulators 3.3 to 50V Step-Down | Switching Voltage Regulators 3.3 to 50V Step-Down |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SO-16 | SOIC-16 |
| Output Voltage | 50 V | 3.3 V to 50 V |
| Output Current | 2 A | 2 A |
| Number of Outputs | 1 Output | - |
| Input Voltage MAX | 55 V | 55 V |
| Topology | Buck | Buck |
| Input Voltage MIN | 8 V | - |
| Switching Frequency | 300 kHz | 300 kHz |
| Minimum Operating Temperature | - 40 C | - |
| Maximum Operating Temperature | + 150 C | - |
| Series | L4978 | L4978 |
| Packaging | Reel | Tube |
| Height | 2.35 mm | - |
| Input Voltage | 8 V to 55 V | - |
| Length | 10.5 mm | - |
| Operating Temperature Range | - 40 C to + 150 C | - |
| Type | Buck | Step-Down |
| Width | 7.6 mm | - |
| Brand | STMicroelectronics | STMicroelectronics |
| Shutdown | Shutdown | - |
| Moisture Sensitive | Yes | Yes |
| Operating Supply Current | 16 mA | - |
| Pd Power Dissipation | 800 mW | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 1000 | 1225 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 8 V | - |
| Unit Weight | 0.005291 oz | 0.007079 oz |