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电源小白请大牛解答下：
比如我的输入电压是5V，想用极性反转开关电源得到-9V的输出，可以实现吗？
还有就是我的输出时-5V,利用boost升压电源，改变电容极性，以及反馈分压便能实现-9V输出吗？
亲；没有问题，TI有对应产品；建议你按自己要求选一下。地址：http://www.ti.com.cn/lsds/ti_zh/power-management/dc-dc-switching-regulator-products.page
