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| PartNumber | NB638DL-LF-Z | NB638DL-LF-P | NB638DL |
| Description | Switching Voltage Regulators 7A 28V COT Sync Buck | Switching Voltage Regulators 7A 28V COT Sync Buck | |
| Manufacturer | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | MPS |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-20 | QFN-20 | - |
| Output Voltage | 800 mV to 13 V | 800 mV to 13 V | - |
| Output Current | 7 A | 7 A | - |
| Input Voltage MAX | 28 V | 28 V | - |
| Topology | Buck | Buck | - |
| Switching Frequency | 200 kHz to 1 MHz | 200 kHz to 1 MHz | - |
| Series | NB638 | NB638 | - |
| Packaging | Reel | Reel | - |
| Product | Voltage Regulators | Voltage Regulators | - |
| Type | Synchronous Step-Down Converter | Synchronous Step-Down Converter | - |
| Brand | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 5000 | 500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.004339 oz | 0.004339 oz | - |