Problem in Half-Bridge Converter Feedback Calculations Result

[sjabbari]

Hi to all

According to attachment file, i used type iii compensation network for feedback loop but when i change value of R2 from 12K to 15K ohm, crossover frequency give minus value and phase margin shift 360 degree! Can check my equations and solve my problem?

Best Regards

Saeid Jabbari

[-MFra- · Accepted solution]

Hi Saeid Jabbari,

In the following image there is my solution:

[sjabbari]

Thanks alot freind 

It's very intristing form me. 

Best Regrads,

Saeid Jabbari