RT8207MZQW

Overview

The Richtek RT8207MZQW is a switching controller designed for complete DDR II, DDR III, and low-power DDR III/DDR IV memory power supplies. It utilizes a buck topology with two outputs, supporting an adjustable output voltage range from 750 mV to 3.3 V. The device operates at a switch frequency between 200 kHz and 500 kHz and provides an output current capability of 1.5 A. It functions within a temperature range of -40°C to +85°C and is housed in a WQFN-20 surface-mount package.

Feature Summary

• Integrated control solution for DDR II, DDR III, and low-power DDR III/DDR IV memory power supplies
• Dual-output buck topology for efficient voltage regulation
• Adjustable output voltage range covering standard memory supply requirements

Applications

• DDR II memory power supply systems
• DDR III memory power supply systems
• Low-power DDR III memory power supply systems
• DDR IV memory power supply systems

Procurement Notes

Verify the specific suffix 'MZQW' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the ordering information matches the exact package type and moisture sensitivity level required for your assembly process. Cross-reference the component marking with the official documentation to prevent counterfeit parts. Confirm RoHS compliance status through the latest product release notes provided by Richtek Technology.

Selection Notes

Select this controller when designing power stages for DDR II, DDR III, or low-power DDR III/DDR IV memory modules requiring dual buck outputs. The fixed WQFN-20 package suits space-constrained mobile and embedded applications. Consider the 200 kHz to 500 kHz switching frequency range for balancing efficiency and passive component size. Ensure the external inductor and capacitor values align with the 1.5 A output current specification and the desired voltage range.

Part Context

The RT8207MZQW belongs to Richtek's portfolio of specialized power management integrated circuits targeting memory subsystems. It complements other controllers like the RT8205 series, which offers four outputs for main system power, whereas the RT8207 focuses on dedicated memory rails. This component addresses the specific timing and voltage sequencing needs of synchronous DRAM interfaces in portable computing devices.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with the RT8207LGQW or RT8207MN-A only if explicitly documented as interchangeable by the manufacturer.