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TPS65131产生稳定的+-5V

Other Parts Discussed in Thread: TPS65131

有这样的设计需求:

使用ER34615锂电池,通过LDO产生3V,再通过TPS65131产生稳定的+-5V电压,使其能够带动一些开关芯片(TC7W53),最后激发容性换能器负载。请问这样的方案可行吗?