RT8468GS

Overview

The RT8468GS is an AC-DC offline LED driver IC from Richtek USA Inc., designed for step-down (buck) topology applications. It integrates a high-voltage power switch and operates with analog dimming capabilities. The device supports an input voltage range suitable for offline switching, delivering up to 1A output current. It is housed in a 7-SOP package with a thermal pad, rated for junction temperatures between -40°C and 125°C. This component is classified as obsolete.

Feature Summary

• Integrates high-voltage power switch for compact offline design
• Supports analog dimming control for brightness adjustment
• Utilizes buck topology for efficient LED driving

Applications

• AC-DC offline LED lighting systems
• General illumination drivers
• Backlighting applications

Procurement Notes

Verify availability status carefully as the RT8468GS is officially listed as obsolete by the manufacturer. Confirm final unit compatibility through official datasheet review rather than relying on generic family features. Check for active replacement parts if long-term supply stability is required for production.

Selection Notes

Select this component only for legacy designs or specific retrofit projects where the 7-SOP footprint and analog dimming interface are mandatory. Ensure the application strictly adheres to the buck topology constraints and does not require digital communication interfaces. Validate thermal performance within the specified operating temperature range.

Part Context

This part belongs to Richtek's portfolio of AC-DC LED drivers. It serves as a specialized solution for cost-sensitive, non-isolated LED applications requiring integrated switching capabilities. The device simplifies bill of materials by combining controller and power stages into a single package.

Replacement Considerations

Official substitutes include the RT8468GSP variant, which shares identical electrical characteristics but differs in packaging configuration. Verify pinout compatibility before substitution.