| Part Number | MCP19125-E/MQ | MCP19123-E/MQ |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
|
|
|
| Product Status | Active | Active |
| Output Type | PWM Signal | PWM Signal |
| Function | Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Boost, Cuk, Flyback, SEPIC | Buck |
| Number of Outputs | 1 | 1 |
| Output Phases | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.5V | 4.5V ~ 40V |
| Frequency - Switching | 31.25kHz ~ 2MHz | 100kHz ~ 1.6MHz |
| Duty Cycle (Max) | - | - |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | Yes | Yes |
| Serial Interfaces | I²C | I²C, PMBus, SMBus |
| Control Features | Dead Time Control, Frequency Control, Ramp, Soft Start | Enable, Frequency Control, Power Good, Soft Start, Watchdog |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 28-VFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (5x5) | 28-QFN (5x5) |