MP3021DQ-LF-Z

LED Driver IC Overview

The MP3021DQ-LF-Z is a white LED backlight driver IC manufactured by Monolithic Power Systems. It utilizes a charge pump topology to regulate current for four output channels, supporting up to 30mA per channel. The device operates within an input voltage range of 2.7V to 5.5V and features a switching frequency of 1.25MHz. Designed for surface-mount installation in a QFN-16 package, it supports an operating temperature range from -40°C to +85°C. This component is classified under LED Lighting Drivers and serves as a regulated DC-DC regulator switch capacitor solution.

LED Driver IC Feature Summary

• Integrates a charge pump topology for efficient white LED backlight regulation
• Provides four independent output channels for multi-string LED driving
• Supports dimming control capabilities for brightness adjustment

LED Driver IC Applications

• White LED backlight drivers for mobile devices
• LED lighting applications requiring regulated current sources
• Portable electronics with limited power supply constraints

LED Driver IC Procurement Notes

Verify the specific ordering suffix and package variant against official MPS documentation before procurement. Confirm that the QFN-16 footprint matches the design requirements. Check current availability status as lead times may vary. Ensure compliance with RoHS standards if required by the target application. Cross-reference the datasheet for any recent updates regarding electrical characteristics or thermal performance.

LED Driver IC Selection Notes

Select this component when a compact, four-channel LED driver is needed for low-voltage systems. The charge pump architecture allows operation without external inductors, simplifying the PCB layout. Consider the 1.25MHz frequency for balancing efficiency and component size. Evaluate the 30mA output capability against the total LED string requirements. Ensure the input voltage range aligns with the system's power source.

LED Driver IC Part Context

This part belongs to the MP3021 series of LED lighting drivers from Monolithic Power Systems. It is designed specifically for backlighting applications in portable consumer electronics. The series focuses on providing regulated current outputs in a small form factor. Other members of the family may offer different channel counts or current ratings.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult official MPS resources for potential alternatives.