MPQ9840GL-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ9840GL-Z is a synchronous step-down converter from Monolithic Power Systems. It operates with an input voltage range of 3.3 V to 36 V and delivers up to 3.5 A output current. The device features a low quiescent current of 14 uA and supports adjustable switching frequencies between 400 kHz and 2.75 MHz. It utilizes a QFN-16 package, offers a shutdown function, and maintains a load regulation of 3.5%. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous buck topology for efficient power conversion
• Supports programmable switching frequency for noise optimization
• Includes shutdown capability for power management control

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial equipment power distribution
• Consumer electronics battery-powered devices
• Embedded systems requiring stable DC voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official manufacturer documentation to confirm package type and thermal rating. Ensure compatibility with required input voltage ranges and output current specifications before integration. Cross-reference RoHS compliance status with current regulatory requirements. Confirm availability through authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck solution is needed for inputs up to 36 V. Consider the 14 uA quiescent current for battery-operated applications requiring extended standby life. Evaluate the QFN-16 footprint constraints against PCB layout capabilities. Verify that the adjustable frequency range meets EMI requirements for the specific system environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the MPQ9840 series of power management ICs designed for high-efficiency voltage regulation. It serves as a monolithic solution integrating power switches and control logic. The series targets applications demanding small form factors and robust performance in industrial and consumer sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP9840GL-Z is listed as a related variant within the same product family.