
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | Microchip Tech | |
| Package | QFN-28(5x5) | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 100kHz~1.6MHz | |
| Voltage - Supply | 4.5V~40V | |
| Features | Over Voltage Protection、Under Voltage Protection、Over Current Protection、Soft-start、Overtemperature protection (OTP) | |
| Topology | Buck | |
| Output Voltage | 300mV~16V |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
MCP19123-E/MQ technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | Microchip Tech | |
| Package | QFN-28(5x5) | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 100kHz~1.6MHz | |
| Voltage - Supply | 4.5V~40V | |
| Features | Over Voltage Protection、Under Voltage Protection、Over Current Protection、Soft-start、Overtemperature protection (OTP) | |
| Topology | Buck | |
| Output Voltage | 300mV~16V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the MCP19123-E/MQ. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

MCP19123-E/MQ datasheets or manufacturer documentation.
Datasheet: MCP19123-E/MQ Datasheet (PDF)
The MCP19123-E/MQ schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.