FEATURES
l Low Cost LED Driver Solution with Typical Non-Isolated Buck PFC l Quasi-Resonant Switching to Achieve >90% Efficiency l Accurate LED Output Current <±1% Control with Universal Input l Proprietary Constant On-time Control for PF>0.97 l Proprietary ZCD Method to Save Auxiliary Winding Design l Building-in Complete Protection: o LED Open and Short Protection o Cycle−by−Cycle Over Current Protection o OVP for IC Bias Voltage o Maximum and Minimum Switching Frequency Limit o Built-in Thermal Protection l RoHS Compliant and Halogen Free l Available with SOT23-6 Package APPLICATIONS
l LED Driver Power Supplies l Commercial and Residential LED Fixtures l Non isolated APPLICATIONS
E27, PAR30, l Offline LED Lights l 5w-35w typical application. TYPICAL APPLICATION GENERAL DESCRIPTION
Constant on-time boundary mode control scheme guarantees high power factor and low gate turn-on loss. Build-in gate control limits the switching frequency range from 16 kHz to 200 kHz, solving the audible...