RT9040GQW

Overview

The RT9040GQW is a DDR termination regulator manufactured by Richtek USA Inc. It operates within an input voltage range of 1V to 5.5V and provides an output current capability of 1.8A. The device features a maximum output voltage of 20mV and a typical input current of 20uA. It supports an operating temperature range from -40°C to +85°C. The component is housed in an SOP-8 package with surface mount installation.

Feature Summary

• Provides precise termination regulation for DDR memory interfaces
• Supports high sink/source bus current capabilities
• Integrates enable control functionality

Applications

• DDR memory termination circuits
• Server platform power management
• Cloud and AI server applications

Procurement Notes

Verify the specific suffix and revision level against the official datasheet to ensure compatibility with target designs. Confirm end-of-life status and lead times through authorized distributors, as availability may be restricted. Cross-reference pinouts and thermal requirements before finalizing procurement decisions.

Selection Notes

Select this component when designing DDR termination stages requiring high current drive and low output voltage precision. Ensure the input supply voltage remains within the specified 1V to 5.5V range. Verify that the SOP-8 package fits the available PCB real estate and thermal dissipation constraints for the application environment.

Part Context

This part belongs to Richtek's specialized PMIC portfolio focused on memory interface power solutions. It complements other regulators in the series designed for high-speed data transmission systems. The product line targets demanding applications in computing infrastructure where signal integrity and power stability are critical.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.