NCP1681ABD2R2G - onsemi

Description: Totem Pole PFC Topology Eliminates Input Diode Bridge; Continuous Conduction Mode (CCM) Operation At High Power Level; Optional Multi-mode Operation With CCM at High Power & CrM at Medium Power Level; Frequency Foldback in DCM With 25 kHz Minimum Frequency; Skip Mode in Very Light Load Condition; Novel Current Sense Scheme; Digital Voltage Loop Compensation; AC Line Monitoring Circuit & AC Phase Detection; Near Unity Power Factor in All Operating Modes; PFC OK Indicator