| PartNumber | MCP1631-E/SS | MCP1631-E/ML | MCP1631-E/ST |
| Description | Switching Controllers Integrated HS PWM I Mode | Switching Controllers Integrated HS PWM I Mode | Switching Controllers Integrated HS PWM I Mode |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Switching Frequency | 2 MHz | 2 MHz | 2 MHz |
| Output Voltage | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V |
| Output Current | 250 mA | 250 mA | 250 mA |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-20 | QFN-20 | TSSOP-20 |
| Packaging | Tube | Tube | Tube |
| Product | Voltage Controllers | Voltage Controllers | Voltage Controllers |
| Series | MCP1631 | MCP1631 | MCP1631 |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | Current Mode PWM Controllers |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 67 | 91 | 74 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.016000 oz | 0.004339 oz | 0.006737 oz |