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UCC28019: UCC28019无法实现交流电压输入改变条件下稳压输出直流电效果

Part Number: UCC28019

我使用了UCC28019的计算表格excel,来计算周围参数,并且为了让效率提高,我将BOOST DIODE换成了MOS管,再将DATE信号输入栅极驱动器让驱动器去驱动两个MOS管,构成同步boost电路,但是我发现我的UCC28019电路无法实现我设计的稳压效果。当输入交流电压改变的时候,直流电压也会发生改变。  请问有人遇到过无法稳压的情况吗,该怎么解决呢