MP5073GG-Z

Overview

The MP5073GG-Z is a synchronous step-down DC/DC converter from Monolithic Power Systems. It integrates high-side and low-side N-channel MOSFETs for efficient power conversion. The device operates with an input voltage range of 4.5V to 28V. It supports adjustable output voltages down to 0.6V. Fixed output options include 1.8V, 2.5V, 3.3V, and 5V. The converter delivers up to 3A continuous load current. It features programmable switching frequencies from 300kHz to 2.2MHz. Protection mechanisms include over-current, over-voltage, and thermal shutdown.

Feature Summary

• Integrated synchronous rectification with internal high-side and low-side MOSFETs
• Wide input voltage range supporting various bus voltage levels
• Programmable switching frequency for optimization of external component size
• Comprehensive protection including cycle-by-cycle current limit and thermal shutdown

Applications

• Point-of-load regulation for industrial equipment
• Power supplies for embedded systems and networking gear
• Battery-powered devices requiring efficient voltage conversion
• Telecommunications infrastructure power distribution

Procurement Notes

Verify the exact suffix 'Z' indicates lead-free compliance and RoHS adherence as per manufacturer specifications. Confirm the package type matches your PCB footprint requirements. Check the latest datasheet for any revisions that may affect pin compatibility or electrical characteristics. Ensure ordering documentation references the full part number to avoid substitution errors.

Selection Notes

Select this component when a compact solution with integrated power switches is required. Consider the switching frequency setting based on inductor size constraints. Evaluate thermal performance under maximum load conditions. Verify input voltage stability against the specified operating range. Compare efficiency curves at expected load currents to ensure system targets are met.

Part Context

This part belongs to the MP507x family of synchronous buck converters. It shares architectural similarities with other members but differs in fixed output voltage options and specific pin configurations. The GG-Z suffix denotes a specific package variant and material composition. It is designed for applications demanding high efficiency in small form factors.

Replacement Considerations

Direct replacements must match the pinout and electrical specifications. Verify if alternative parts support the same input voltage range and current capability. Check for compatible control interfaces and protection features. Ensure thermal dissipation characteristics align with the existing design constraints.