如图,电源电压从LMZ23605过来的3.8V,经过LM277662转换成±3V供给输出,结果发现LM27762输出端有很高的类似开关噪声的尖峰,频率约4M。如果去掉所有负载,发现尖峰噪声峰峰值会降低到8mv左右,但是还是存在,不知道大家有没有遇见过,求解答
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