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如何使用TPS55340实现24V输入转32V输出

Other Parts Discussed in Thread: TPS55340

朋友们,我设计的是24V输入,转成32V输出,输出电流0.5A,实用的芯片是TPS55340。换了几个电路后,发现还是不能实现。目前情况是:输出=输入-电压降。测试sw节点,其电压为输入电压,启动瞬间电压会猛地增高,之后就变为了输入电压数值。现在不知问题出在哪里?