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| PartNumber | L7981A | L7981 | L7981AD |
| Description | Switching Voltage Regulators 3A Step-Down Reg 3.7A 4.5 to 28V 1MHz | IC REG BUCK ADJ 3A 8VFQFPN | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Switching Voltage Regulators | IC Chips | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | HSOP-8 | - | - |
| Output Voltage | 600 mV to 28 V | - | - |
| Output Current | 3 A | - | - |
| Number of Outputs | 1 Output | 1 | - |
| Input Voltage MAX | 28 V | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Series | L7981 | - | - |
| Packaging | Tube | Tube | - |
| Brand | STMicroelectronics | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Switching Voltage Regulators | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.002490 oz | - | - |
| Package Case | - | 8-VFDFN Exposed Pad | - |
| Operating Temperature | - | -40°C ~ 150°C (TJ) | - |
| Mounting Type | - | Surface Mount | - |
| Output Type | - | Adjustable | - |
| Function | - | Step-Down | - |
| Supplier Device Package | - | 8-VFQFPN (3x3) | - |
| Topology | - | Buck | - |
| Frequency Switching | - | 250kHz ~ 1MHz | - |
| Current Output | - | 3A | - |
| Output Configuration | - | Positive | - |
| Voltage Output Min Fixed | - | 0.6V | - |
| Voltage Output Max | - | 28V | - |
| Synchronous Rectifier | - | No | - |
| Voltage Input Min | - | 4.5V | - |
| Voltage Input Max | - | 28V | - |