RT7306DGS

Overview

The RT7306DGS is an AC/DC offline switcher IC designed for LED driver applications. It supports Flyback, Step-Down (Buck), and Step-Up (Boost) topologies. The device operates within a junction temperature range of -40°C to 125°C. It is housed in a SOT-23-6 surface-mount package. The component is classified as obsolete with no current production status.

Feature Summary

• Integrated AC/DC offline switching capability for direct mains connection
• Supports multiple converter topologies including flyback, buck, and boost configurations
• Designed specifically for constant current LED driving applications

Applications

• LED lighting systems
• Offline power supply designs
• General illumination drivers

Procurement Notes

Verify component obsolescence status before integration into new designs. Confirm availability through secondary market channels as the part is no longer in active production. Ensure compatibility with existing PCB footprints if replacing functional units. Review datasheet specifications for thermal management requirements given the wide operating temperature range.

Selection Notes

Consider alternative components from the same manufacturer family or newer generations that offer similar topology support. Evaluate pin-to-pin compatibility if maintaining the SOT-23-6 form factor is critical. Assess whether updated regulatory compliance standards require modern replacements with enhanced efficiency or safety features not present in this legacy model.

Part Context

This component belongs to the Richtek RT730x series of LED drivers. It serves as an offline switcher solution for lighting applications. The DGS suffix indicates the specific tape-and-reel packaging variant. The device integrates control logic for managing LED current without requiring external microcontrollers.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.