This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DCDC推荐,+11V输入,-17输出,300mA

Other Parts Discussed in Thread: TPS5410, TPS5430, TPS54040, TPS54060

您好,

我需要得到-17V,有两个可用的输入+5V和+11V,电流为300mA左右。

我看了TI的反向DCDC输出电压不够,

我看您给别人的解答说buck电路可以输出负电压,但是负电压的绝对值可以比输入电压大吗?比如输入+11V,输出-17V?

还是需要用boost电路反转?要是用boost反转的话,怎么实现输出负电压?谢谢!