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+15V转-15V高温芯片

Other Parts Discussed in Thread: TPS54231, LM137, TPS54362-HT

由于是使用在井下,需要高温150℃的芯片,从+15V转-15V给仪表放大器供电。我查到TI 有一款TPS54231稳压器,不知道能不能设计成-15V输出,求助!