[PIC] SG3525 Low output voltage

[Pulsetronics]

Hi everyone, can someone help me?, I am using SG3525 for my Push Pull inverter design but each time I design it I get voltage not up to 220v, maybe 201v even if I had Feedback to My circut. Can anyone tell me the Adjustment I to do to get a voltage of 250v without Feedback. Thanks

 

[FvM]

Feedback can only reduce the output voltage by decreasing the duty cycle. Looks like wrong transformer design or excessive ouput stage voltage drop.

 

[easy electronics]

Connect sg3525 pin 1 to pin16 .
and pin 2 to ground.
It will disable feed back loop and make duty of output pwm to its maximum value.

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Connect sg3525 pin 1 to pin16 .
and pin 2 to ground.
It will disable feed back loop and make duty of output pwm to its maximum value.