MP3378GY-Z

Overview

The MP3378GY-Z is a 4-channel WLED controller and high-efficiency buck converter from Monolithic Power Systems. It operates within a supply voltage range of 5 V to 24 V, utilizing a buck topology with an output voltage of 6 V. The device functions at a switching frequency of 530 kHz and supports operation across a temperature range of -40°C to +125°C. It is housed in a SOIC-28 package.

Feature Summary

• Integrates four independent channels for white LED control
• Utilizes high-efficiency buck converter topology
• Supports analog and PWM dimming methods

Applications

• LCD panel backlighting
• Tablet displays
• Notebook computer screens

Procurement Notes

Verify the specific suffix 'Z' against the manufacturer's current datasheet to confirm RoHS compliance status and lead time requirements. Confirm that the SOIC-28 package dimensions match your PCB footprint design. Ensure the input voltage range aligns with your system power supply specifications before finalizing procurement.

Selection Notes

Select this component when designing systems requiring four-channel WLED control with a buck topology. It is suitable for applications needing a 5 V to 24 V input range. Consider the SOIC-28 package size and thermal performance relative to your enclosure constraints. Verify compatibility with required dimming interfaces.

Part Context

This part belongs to the MP3378 series of LED lighting driver ICs. It is designed specifically for driving white LED arrays in portable electronic devices. The series focuses on providing efficient power conversion and precise channel control for display backlighting applications.

Replacement Considerations

Check for MP3378GF-P as a potential variant within the same family. Verify pinout and electrical specifications before substitution.