onsemi NCP1622BCASNT1G, Power Factor Controller

The ON Semiconductor Power factor controller the 6 pin PFC controller is designed to drive PFC boost stages, housed in a TSOP6 package, the circuit also incorporates the
features necessary for robust and compact PFC stages, with few external components.

Near−unity power factor
Critical conduction mode
Valley turn−on
High drive capability −500 mA / +800 mA
VCC range from 9.5 V to 30 V