UC3842AN
Manufacturers：
Texas Instruments
Description：
IC REG CTRLR PWM CM 8DIP
UC3842ANG
Manufacturers：
ON Semiconductor
Description：
IC REG CTRLR FLYBK ISO PWM 8-DIP
UC3842ANG4
Manufacturers：
Texas Instruments
Description：
IC REG CTRLR PWM CM 8DIP