MP9943GQ-P

The MP9943GQ-P is a high-efficiency, 3A peak, 36V synchronous step-down converter manufactured by Monolithic Power Systems (MPS), an American semiconductor company. Packaged in a compact QFN-8 (3mm x 3mm) package, this IC offers a wide operating input range of 4V to 36V and features low RDS(ON) internal power MOSFETs for high-efficiency synchronous mode operation. With a switching frequency that synchronizes from 200kHz to 2.2MHz, the MP9943GQ-P provides fast transient response and eases loop stabilization.

Key features of the MP9943GQ-P include:

1. High Efficiency: The synchronous rectification and low RDS(ON) internal power MOSFETs contribute to the high efficiency of this converter, making it suitable for a variety of power-sensitive applications.
2. Wide Input Range: The MP9943GQ-P can operate with an input voltage range of 4V to 36V, providing flexibility for different power sources and applications.
3. Adjustable Output: The output voltage can be adjusted from 0.8V, allowing for precise control of the output power to match the specific needs of the application.
4. Protection Features: The MP9943GQ-P includes over-current protection and thermal shutdown features to protect the converter and the load from damage due to excessive current or temperature.
5. Small Footprint: The QFN-8 package is small and lightweight, making the MP9943GQ-P suitable for use in compact and portable devices.
6. Lead-Free and RoHS Compliant: All MPS parts, including the MP9943GQ-P, are lead-free and adhere to the Restriction of Hazardous Substances (RoHS) directive.

Applications for the MP9943GQ-P include general consumer electronics, multi-function printers (MFPs), and distributed power systems. Its high efficiency, compact size, and protection features make it an excellent choice for designers looking to optimize power consumption and system reliability in their applications.