how to use pulse trnsformer

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ahmedmedowahdan

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i want to separate microcontroller input voltage (5v) from the circuit
i use lm2576 switch mode regulator to achieve 5 v from 48 volt
i don't know how to use pulse trnsformer to achieve this isolation

i think it may be like this

**broken link removed**
 

dfullmer said:
This would probably help you understand. The circuit comfiguration I think you are looking for is in here.

**broken link removed**

Look to page 55

Good luck
Click to expand...

thanks for this paper but ican't find what I am looking for

it's flyback circuit in page 55??
 

please help >>> i connect pulse transformer as my schematic before but i have no output
another problem >> how i connect feedback for LM2576??
 

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