UC1842A-EP, UC1843A-EP, UC1844A-EP, UC1845A-EP CUR.
Texas Instruments
UC1844A-EP - Current-Mode PWM Controllers
UC1842A-EP, UC1843A-EP, UC1844A-EP, UC1845A-EP CURRENT-MODE PWM CONTROLLER D Controlled Baseline − One Assembly/Test Site, One Fabrication Site D Ext.