This document is a user guide for the FL7730 demonstration kit. It provides information on the features and characteristics of the FL7730, as well as the datasheet, application notes, and technical support team provided by Fairchild Semiconductor. The FL7730 is an LED bulb with an input voltage range of 180-265VAC, output power of 8.4W, and output voltage of 22V (0.38A). It features compatibility with traditional TRIAC control, a cost-effective solution without input bulk capacitor and feedback circuitry, power factor correction, accurate constant-current control, linear frequency control, and constant current regulation against output voltage and line voltage changes.
This document is a user guide for the Fairchild RD-L020 reference design, which serves as a demonstration kit for the FL7730 LED driver. It is intended to be used in conjunction with the FL7730 datasheet and Fairchild's application notes. The design features compatibility with traditional TRIAC control and offers a cost-effective solution without the need for input bulk capacitors or feedback circuitry.
| System Efficiency | up to 84.3% |
|---|
Yes, it is compatible with traditional TRIAC control.
The constant current regulation remains within tolerance for an output voltage change between 10V and 28V.
Yes, the design features output open or short circuit protection with auto restart capability.