3 ms·

UC2842/3842 (Primary side of a Flyback SMPS), versus TL431 which is on the secondary side. Power supplies shipped in the past 10 years are most likely using an

by yftsui 7y ago

UC2842/3842 (Primary side of a Flyback SMPS), versus TL431 which is on the secondary side. Power supplies shipped in the past 10 years are most likely using an Onsemi variant of TI UC2842/3842.