TNY266 is a simple hysteretic voltage controller which doesn't need (and won't take advantage from) loop compensation.What happens when the frequency exceed the maxium of the optocoupler ?
Im asking because the frequency of the fb loop is unlimited hz-es.
Do I need to limit it with low pass filter ?
"Ballpark values" describes best the achieved regulator performance if you consider the rather loose Z-diode specification. But you can still make it worse by unsuitable component dimensioning. The TNY266 datasheet circuit should be a good starting point.These are ballpark values, I've not seen the data sheets.
By the way, one of the first things you learn when doing hand calculations in engineering or natural science is to use appropriate number precision for a specific problem. You have rarely more than three or four significant digits.
OkR6 is there to bypass some optoisolator current, in an effort to reduce aging.
However the zener requires about 10 mA to be above the knee.
Thanks friends, i will post again soon
And because there no such information i dont know what happens if im using 2ma zener current instead this 10 ma one.
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