| PartNumber | MPQ4558DN-LF | MPQ4558DQ-AEC1-LF-P | MPQ4558DN-LF-Z |
| Description | Switching Voltage Regulators 1A 2MHz 55V Step Down Converter | Switching Voltage Regulators 1A 2MHz 55V Step Down Converter | Switching Voltage Regulators 1A 2MHz 55V Step Down Converter |
| Manufacturer | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-EP-8 | QFN-10 | SOIC-EP-8 |
| Output Voltage | 0.8 V to 52 V | 0.8 V to 52 V | - |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | - |
| Input Voltage MAX | 55 V | 55 V | - |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3.8 V | 3.8 V | - |
| Switching Frequency | 2 MHz | 2 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | MPQ4558 | MPQ4558 | MPQ4558 |
| Packaging | Tube | Reel | Reel |
| Input Voltage | 3.8 V to 55 V | 3.8 V to 55 V | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Product | Voltage Regulators | Voltage Regulators | Voltage Regulators |
| Type | Step-Down Converter | Step-Down Converter | Step-Down Converter |
| Brand | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) |
| Moisture Sensitive | Yes | - | Yes |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 100 | 500 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | - | 0.000247 oz | - |