SFL678
SFL678 is AC/DC PSR Controller manufactured by SiFirst.
Softwin swAides
AC/DC PSR Controller for Dimmable LED Driver
Features
- Support Analog/PWM/TRIAC Dimming
- Proprietary
“Extended
Synchronous
Dimming” to Achieve Larger than 1000:1
Dimming Range
- Primary Side Regulation (PSR) Control, No
Secondary Feedback Circuit Required
- 1% Precision (@Tj=25 ℃) Internal Reference
Voltage for Constant Current (CC) Control
- Wide VDD Range (10 to 30V) Eases Flexible
LED System Design
- Precision LED Output Voltage Clamp
- pensate for Line Voltage Variation and
Transformer Inductance Tolerance
- Built-in Soft Start
- All Pins Floating Protection
- LED Open/Short Circuit Protection
- PFM Control Eases EMI Design
-...
