This document is the user guide for the FL7730. It provides detailed information about the product, including features, specifications, photographs, schematics, BOM table, etc.
This document serves as a user guide for the FEB-L020-1 evaluation board, which demonstrates a dimmable LED bulb solution operating at low line voltages using the Fairchild FL7730 Primary-Side Regulator (PSR) controller. The board is designed to provide a constant current of 380mA at a maximum output voltage of 22V, compatible with traditional TRIAC dimming control.
| Minimum Input Voltage | 90Vrms |
|---|---|
| Maximum Input Voltage | 140Vrms |
| Nominal Input Voltage | 110~120V |
| Nominal Output Current | 380mA |
| Maximum Output Voltage | 28V |
| Power Factor at 110Vac | 0.96 |
| Package Type | SOP-8 |
Yes, the FL7730 controller is compatible with traditional TRIAC control.
It provides open-LED, short-LED, and over-temperature protection.