The ADP1048WARQZ-R7 from Analog Devices Inc. is an average-current power factor correction Integrated Circuit operating from 30 kHz to 400 kHz, in a 24-QSOP package.
The ADP1048ARQZ-R7 from Analog Devices Inc. is a PFC controller Integrated Circuit with average current control over 30 to 400 kHz, in a 24-QSOP package.