由于国庆节假期，帖子审批以及工程师回复将会有所延迟，敬请谅解



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  • +5.5V转-5.5VDCDC芯片求推荐

    Other Parts Discussed in Thread: OPA657 , TPS65135 , LM27761 , TPS561208 , TPS7A49 , TPS60400 用于高速运放 opa657的供电，想法是先用DCDC把+5.5V转换成-5.5V，，再用负压的LDO进行降压到-5V，然后给opa657供电。由于对整个系统噪声要求较高，有没有什么合适的DCDC芯片推荐？

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