MP5475GU-0000-Z

Overview

The MP5475GU-0000-Z is a fully integrated PMIC featuring four synchronous buck converters and two LDOs. It supports an input voltage range of 3V to 16V with adjustable switching frequencies from 500kHz to 2MHz. The device provides six outputs, including high-current buck rails capable of up to 6A and low-noise LDOs. Packaged in a compact 35-QFN (5x5mm) footprint, it operates across a temperature range of -40°C to 125°C TJ.

Feature Summary

• Integrates multiple power conversion topologies within a single compact package
• Features programmable switching frequency for optimized efficiency and size
• Includes built-in protection mechanisms for reliable operation

Applications

• Transmitter optical subassemblies (TOSA)
• Optical module power distribution
• Telecommunications equipment
• Industrial control systems

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Ensure compatibility with existing PCB footprints and thermal requirements. Confirm RoHS compliance status for your region. Validate that the selected variant matches the required output configurations and voltage ranges for your specific design implementation.

Selection Notes

Select this component when space constraints require a multi-rail power solution. Consider the 35-QFN package for dense layouts. Evaluate thermal performance based on total power dissipation. Verify that the input voltage range aligns with system supply rails. Check if the integrated protections meet safety standards for the target application environment.

Part Context

This part belongs to Monolithic Power Systems' portfolio of highly integrated power management ICs designed for complex digital systems. It consolidates functions typically requiring multiple discrete components, reducing board area and simplifying design complexity. The series targets applications demanding efficient, compact power delivery solutions.

FAQ

What is the maximum current capability of the synchronous buck converters?

The synchronous buck converters support output currents up to 6A.

Is the switching frequency fixed or adjustable?

The switching frequency is programmable, ranging from 500kHz to 2MHz.