RT8057GQW(2)

Voltage Regulators - DC DC Switching Regulators Overview

The RT8057GQW(2) is a synchronous step-down DC/DC converter manufactured by Richtek USA Inc. It operates with a fixed switching frequency of 2.25 MHz and delivers a maximum output current of 1 A. The device accepts an input voltage range up to 5.5 V and provides an adjustable output voltage from 0.6 V to 5.5 V. It is housed in a compact 6-pin WDFN package, designed for efficient power management in space-constrained applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high conversion efficiency
• Fixed 2.25 MHz switching frequency enabling compact external component sizing
• Adjustable output voltage capability within specified limits

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient step-down regulation
• Battery-powered systems utilizing single-cell lithium-ion sources
• Embedded circuits needing compact power management solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout and electrical characteristics. Ensure compatibility with required thermal dissipation standards for the target application environment. Cross-reference datasheet revisions to validate performance parameters before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed high-frequency operation is preferred over adjustable ranges to minimize passive component count. Evaluate the 1 A output limit against peak load requirements to ensure adequate headroom. Consider the WDFN package constraints regarding thermal performance and PCB layout density during the design phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the Richtek family of synchronous buck converters, specifically optimized for low-power portable applications. It shares architectural similarities with other models in the series but is distinguished by its fixed 2.25 MHz frequency and 1 A current rating, differentiating it from higher-current or lower-frequency variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for direct equivalents. Verify that alternative components match the 2.25 MHz frequency and 1 A output capability to maintain system stability without redesigning the feedback network.