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UC3825A电压模式问题

Other Parts Discussed in Thread: UC3825A, UC3825

我采用UC3825做了一个推挽电路,工作频率100K,采用电压模式。但是换成UC3825则无法输出波形。后经过测试发现,如果不接驱动变压器就能输出波形,如果增加驱动变压器则不能输出。是否UC3825A后级不能接驱动变压器?还是电压模式设计有有问题?还请大神指点。

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