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[SOLVED] Buck Circuit UC3843 Help!

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arfarfarf

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I am currently designing a phone charger with an input of 220Vac and my desired output is 5Vdc with a maximum current of 350mA.

We have been testing circuits using BUCK topology with PWM IC UC3843 but so far we don't have any good outputs.

Do you have any working schematics which we could follow? Thanks
 

There is a list of threads on similar topics at the bottom of this webpage.

If you explore those threads it may lead to others that will help.
 

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