| PartNumber | L4972AD | L4972A | L4972AD013TR |
| Description | Switching Voltage Regulators 5.1 to 40V 2.0 Amp | Switching Voltage Regulators 5.1 to 40V 2.0 Amp | Switching Voltage Regulators 5.1 to 40V 2.0 Amp |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-20 | PDIP-20 | SOIC-20 |
| Output Voltage | 40 V | 50 V | 5.1 V to 40 V |
| Output Current | 2 A | 2 A | 2 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 55 V | 55 V | 50 V |
| Topology | Buck | Buck | Buck |
| Switching Frequency | 90 kHz to 110 kHz | 200 kHz | 100 kHz |
| Series | L4972 | L4972 | L4972 |
| Packaging | Tube | Tube | Reel |
| Type | Step-Down | Step-Down | Step-Down Converter |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Moisture Sensitive | Yes | - | Yes |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.009408 oz | 0.079719 oz | 0.009408 oz |
| Input Voltage MIN | - | 15 V | 15 V |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 150 C | + 150 C |
| Height | - | 4.59 mm | - |
| Input Voltage | - | 15 V to 50 V | 15 V to 50 V |
| Length | - | 24.8 mm | - |
| Operating Temperature Range | - | - 40 C to + 150 C | - 40 C to + 150 C |
| Width | - | 7.1 mm | - |
| Shutdown | - | Shutdown | Shutdown |
| Operating Supply Current | - | 16 mA | 16 mA |
| Supply Voltage Min | - | 15 V | 15 V |
| Quiescent Current | - | - | 13 mA |
| Load Regulation | - | - | 7 mV |