MP5418AGQG-P

Overview

The MP5418AGQG-P is a Monolithic Power Systems switching voltage regulator featuring a negative charge pump and adjustable regulator. It operates with an input voltage range of 2.3 V to 5 V and provides dual outputs, including a fixed -3.3 V rail. The device supports a switchable frequency between 30 kHz and 550 kHz and maintains a low static current of 960 uA. Packaged in a QFN-10 format, it functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates a negative charge pump for generating inverted voltage rails from positive inputs
• Features an adjustable regulator output alongside the fixed negative supply
• Supports flexible switching frequency selection to optimize efficiency or component size

Applications

• High-speed optical communication modules requiring negative bias voltages
• Portable electronic devices utilizing single-cell lithium-ion power sources
• Embedded systems needing compact negative voltage generation

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Confirm RoHS compliance status through manufacturer documentation. Ensure the QFN-10 package dimensions match your PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits that require both positive and negative supply rails from a single low-voltage source. The adjustable output allows customization for specific logic level requirements. Evaluate the thermal performance in the QFN-10 package relative to your expected load conditions.

Part Context

This part belongs to the MP5418 series of power management ICs designed for space-constrained applications. It combines charge pump technology with linear regulation capabilities to provide versatile power solutions for portable electronics and communication interfaces.

Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical specifications carefully when considering other manufacturers' negative charge pump regulators.