we are using sg3525 ic for half brdige but we have observed tranformer pramary wave from is distroy not propper half bridge so how can resolved this type of issues
The first step is to provide a much more detailed description of what you need your circuit to provide, and then a more detailed description of what is not functioning as needed.
There are many brilliant minds available to help solve problems, and among the participants are the benefits of many hundreds of years of experience. But we re not able to solve a problem that is not described adequately. Without the adequate description you get random guesses, some of which may be helpful, possibly.
BUT WITH enough details and information a solution is usually found.