| Part Number | MCP19123T-E/MQ | MCP19125T-E/MQ |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Active | Active |
| Output Type | PWM Signal | PWM Signal |
| Function | Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Boost, Cuk, Flyback, SEPIC |
| Number of Outputs | 1 | 1 |
| Output Phases | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 40V | 4.75V ~ 5.5V |
| Frequency - Switching | 100kHz ~ 1.6MHz | 31.25kHz ~ 2MHz |
| Duty Cycle (Max) | - | - |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | Yes | Yes |
| Serial Interfaces | I²C, PMBus, SMBus | I²C |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Watchdog | Dead Time Control, Frequency Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TJ) |
| 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) |