This document is a reference design that supports the use of FL6961 in LED illumination design. It should be used in conjunction with the FL6961 datasheet as well as Fairchild's application notes and technical support team. The design features a boundary mode PFC controller, low input current THD, controlled on-time PWM, zero current detection, cycle-by-cycle current limiting, leading-edge blanking instead of RC filtering, and other characteristics.
This document presents a Fairchild reference design supporting the inclusion of the FL6961 device in LED illumination applications. It is intended to be used alongside the FL6961 datasheet and technical support resources available on the manufacturer's website.
The design operates with an input voltage range of 90-265 Vac, delivering a rated output power of 16.8W at 24V (0.7A). Key features include boundary mode PFC control, low input current THD, controlled on-time PWM, zero current detection, and cycle-by-cycle current limiting.
| Input Voltage Range | 90-265 Vac |
|---|---|
| Output Voltage (Rated Current) | 24V (0.7A) |
| Low Start-up Current | 10uA (typical) |
| Low Operating Current | 4.5mA (typical) |
The design supports inclusion of FL6961 in LED illumination.
Yes, it includes Boundary Mode PFC Controller functionality.