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| PartNumber | MCP19122-E/MJ | MCP19123-E/MQ | MCP19122T-E/MJ |
| Description | Switching Controllers Digitally enhanced power analog buck controller | Switching Controllers Digitally enhanced power analog buck controller | Switching Controllers Digitally enhanced power analog buck controller |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | - |
| Topology | Buck | Buck | Buck |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Switching Frequency | 100 kHz to 1.6 MHz | 100 kHz to 1.6 MHz | 100 kHz to 1.6 MHz |
| Duty Cycle Max | - | - | - |
| Input Voltage | 4.5 V to 40 V | 4.5 V to 40 V | 4.5 V to 40 V |
| Output Voltage | 0.3 V to 16 V | 0.3 V to 16 V | 0.3 V to 16 V |
| Output Current | 2 A | - | 4 A |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-24 | QFN-28 | QFN-24 |
| Packaging | Tube | Tube | Reel |
| Isolation | Non-Isolated | Non-Isolated | Non-Isolated |
| Product | Switching Controllers | Switching Controllers | Power Analog Controllers |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Operating Supply Voltage | 4.5 V to 40 V | 4.5 V to 40 V | 4.5 V to 40 V |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 91 | 73 | 5000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |