RT9199GS

Overview

The RT9199GS is a synchronous buck regulator manufactured by Richtek USA Inc., designed for DDR bus termination and general-purpose DC-DC conversion. It features an adjustable output voltage range of 1.4V to 5.5V with a peak sink/source current capability of 2A. The device utilizes an 8-SOP surface-mount package, specifically an 8-SOIC with a width of 3.90mm (0.154 inches). As a cost-effective solution, it integrates high-performance switching regulation suitable for memory applications requiring precise voltage control.

Feature Summary

• Synchronous buck topology for efficient DC-DC conversion
• Adjustable output voltage configuration
• High peak current capability for dynamic loads
• Integrated DDR bus termination functionality

Applications

• DDR bus termination circuits
• General-purpose DC-DC power conversion
• Memory subsystem power regulation

Procurement Notes

Verify the exact suffix 'GS' against the manufacturer's latest datasheet to confirm pinout and thermal specifications. Confirm RoHS compliance status and check for any recent product change notices or end-of-life announcements from Richtek Technology Corporation before finalizing procurement plans.

Selection Notes

Select this component when an adjustable output voltage up to 5.5V is required for DDR applications. Ensure the design accommodates the 8-SOP package dimensions. Verify that the 2A peak current rating meets the transient load requirements of the target memory bus.

Part Context

This part belongs to the Richtek PMIC portfolio, specifically within the special purpose regulators category. It complements other linear and switching regulators offered by Richtek Technology Corporation, targeting analog IC applications in consumer electronics and computing hardware.

Replacement Considerations

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