Sam's Strobe FAQ Components: HTML, Diagrams, Photos, and Schematics
New TL3842P = UC3842 pulse width modulation circuit for switching power supply YYDZ|circuit symbols|circuit enclosurecircuit board power supply - AliExpress
20pcs Uc3842an Ka3842a Tl3842p Dip-8 Commonly Used Power Management Chip For Electric Vehicle Chargers - Integrated Circuits - AliExpress