SY5800 - Single Stage Flyback And PFC Controller
The SY5800 is a single stage Flyback and PFC controller that targets at LED lighting applications.
It receives the rectified AC input voltage up to 400V, and drives the Flyback converter in a quasi-resonant mode for high efficiency unified power factor applications.
Ordering Information SY5800
SY5800 Features
* Primary side control eliminate the opto-coupler.
* Internal high current MOSFET driver: 1A sourcing and 2A sinking
* Low quiescent current at start up mode: 10uA typical
* 16V rising UVLO with 9V hysteresis
* Valley turn-on of the primary MOSFET to achieve l