Re: UC3843 power supply help needed!!!



seegoon99@xxxxxxxxx wrote:

> Hi to all.
> I have built a power supply using a uc3843 chip and need some help.
> The supply takes 220Vac and steps it down to 14Vdc(approx).
> I have managed to get the supply working OK , but I still need a bit of
> help.

Take a closer look at pcb layout and the loop response.

Did you follow an app note ?


Graham

.

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