eem2am
Banned
isolated offline smps
hello,
i am doing an isolated offline smps with UC2825 PWM controller.
UC2825 Datasheet
http://focus.ti.com/lit/ds/symlink/uc3825.pdf
I am just wondering how to drive the UC2825 from the opto (4N35)
4N35 Datasheet
http://www.datasheetcatalog.org/datasheet/fairchild/4N35.pdf
I am wondering if i can connect 5V to the error amplifier output (pin 3 ) and then connect the collector of the opto transistor to pin3 and the opto-transistor's emitter to ground?
Any thoughts gratefully appreciated.
hello,
i am doing an isolated offline smps with UC2825 PWM controller.
UC2825 Datasheet
http://focus.ti.com/lit/ds/symlink/uc3825.pdf
I am just wondering how to drive the UC2825 from the opto (4N35)
4N35 Datasheet
http://www.datasheetcatalog.org/datasheet/fairchild/4N35.pdf
I am wondering if i can connect 5V to the error amplifier output (pin 3 ) and then connect the collector of the opto transistor to pin3 and the opto-transistor's emitter to ground?
Any thoughts gratefully appreciated.