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输入输出电压不是太要求。
Hi
所以你是想做正电压输入负电压输出的buck-boost电路吗? 这个用降压芯片做就可以了。
如果你是想了解负电压输出,然后给到正的电路反馈,你可以参考下面的电路,或有帮助:
好的,我看看,就是想要负压反馈的方法。