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Estimated Crossover Frequency and Estimated Phase Margin

Posted by: mk984 on

In the Help screen for Feedback Components - Secondary TL431, it says that "Estimated Crossover Frequency and Estimated Phase Margin are calculated automatically." Where do I find the results of that calculation? (I am using TNY-4.)

Comments

Submitted by PI-ODO on 06/29/2017

Hi mk984,

The TL431 feedback component option is not available for TinySwitch-4 designs. For TOPSwitch-JX designs, however, one can find the estimated crossover frequency and estimated phase margin information in the bottom left of the feedback component window for the secondary shunt regulator option (see attached).

-PI-ODO

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TL431fdbk.PNG 67.89 KB