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NE5532供电

Other Parts Discussed in Thread: TPS563231, NE5532, LM2776, TPS62130, TPS63710, TPS54160, TPS5430

我们用12伏电源做主电源,通过TPS563231转成正5伏,再通过LM2776转成负5伏,给NE5532供电,问题是NE5532最低电压是正负5负,请问这种设计有没问题?