onsemi NCL2801CDADR2G LED Driver IC, 10.5 → 27 V 800mA 8-Pin SOIC / 1861475

The NCL2801 is a current mode CRM Boost PFC control IC which can provide the best class THD performance over extended operating range utilizing ON Semiconductor’s THD enhancer technique. Efficiency and standby power are enhanced with Valley Count Frequency Fold-back (VCFF) method.Valley Count Frequency Foldback Dynamic Response Enhancer Soft/Fast OVP THD Enhancer Line level feed-forward Protections - Brown Out - Thermal Shutdown - OVP - Over Current limitation - Pin open/short protection Wide Vcc (10.5∼28 V) range/ 3 Vcc startup level OTA Error Amp Maximize efficiency over wide load range Lower output undershoot Lower output overshoot Improve THD performance Optimal loop gain in universal input High System Reliability Design Flexibility Easy loop design and lower power loss by higher RFB Applications All Off Line Appliances Requiring Power Factor Correction End Products Lighting Ballasts (LED, Fluorescent) Flat TV PC Power Supplies