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TL494: TL494IDR

Part Number: TL494

您好,现在使用的TL494I有两个批次,一个是TI42ADRPM,一个是TI48AOJ2M,在同样的电路中相同的参数下TI42ADRPM会比TI48AOJ2M输出的占空比少20%,请问这两款是有什么区别吗