Really just offering it for simulation. It is a bit more complicated than I prefer for a circuit, but is simple compared to other circuits which use a somewhat similar concept. It just doesn't use fancy IC chips to carry out fairly complex functions. [My eyes are bad and like big and compact circuit drawings (no more SMDs for me)...]
The feedback loop is actually a bit oversimplified but not totally ineffective. The use of the modem transformer in the feedback loop is how I did my bench circuit. For tighter regulation, at least a transistor is necessary on the isolated side for DC gain. The various ways of changing the feedback are just too numerous. I just left it very basic. I don't often work with bigger circuits than this anymore.
The feedback loop is actually a bit oversimplified but not totally ineffective. The use of the modem transformer in the feedback loop is how I did my bench circuit. For tighter regulation, at least a transistor is necessary on the isolated side for DC gain. The various ways of changing the feedback are just too numerous. I just left it very basic. I don't often work with bigger circuits than this anymore.
Your schematic drawing is so much congested and awful which led to headache, cant you draw something better and easy for eyes atleast.......... 
Sorry! I knew I would get those complaints. That is why I didn't post a diagram. Like I was saying, my eyes get strained when I expand them. I think it is easier for you to expand them than it is for me to do it. Just use the drag function. Most of the schematics posted by others I cannot read. Maybe consider it a type of of karmic atonement for you.
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