RichTek Technology Corporation LED Drivers RT8479CGSP

The RT8479CGSP is a two-stage LED driver from Quarktwin Technology Ltd., featuring a Boost converter followed by a Buck converter. This configuration is designed to provide high compatibility with electronic transformers and achieve excellent power factor performance, particularly in MR16 and AR111 lighting applications. The device supports a wide input voltage range of 4.5V to 36V and includes dual internal MOSFETs for efficient operation. Key features include programmable boost output voltage, independent dual stage functionality, and programmable LED current with an accuracy of ±5%. The RT8479CGSP also incorporates safety features such as input under-voltage lockout detection and thermal shutdown protection. It is packaged in an SOP-8 (Exposed Pad) format, making it suitable for various applications including signage, architectural, and automotive LED lighting.