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请教TI专家MC34063a的问题

Other Parts Discussed in Thread: OPA380, MC34063A, LM2663, TPS60500, TPS54160, TPS54040

我想用两片mc34063a产生正负2.5v的电压,电流几十毫安(供电opa380),输入电压可以是+5v吗?

如果不行的话,应该是多少?

还没有其他的芯片可以产生正负2.5v供电opa380?

谢谢