Feedback of flyback (with TL431)

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pini200

Joined Feb 15, 2016
14
How I should choose a capacitor and resistor in Feedback control
(like Fc,Fpole,fzoro)
i choose r3=38k,r5=10k rbais(r2)=1.2k
vcc=12v,Cvcc=470uF
What selection criteria capacitor and resistor (c2 r4 )
 

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crutschow

Joined Mar 14, 2008
25,250
I mean what does the rest of the circuit look like? A feedback loop is just that, a loop.
You are only showing part of the loop.
 
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