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也就是说,输出是-5V绝对值大于输入的4.5V,是否可行?
Hi
没有问题。
HI
参考文档: http://www.ti.com.cn/cn/lit/an/slva469c/slva469c.pdf
可以的,就是接成buck-boost,且4.5V+5V=9.5V,小于芯片的耐压