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TL494: 关于TL494 输出三极管接法问题

Part Number: TL494


你好,请教一个关于TL494输出二极管接法的问题:

目前我接触到TL494输出的接法有下面图中两种,我看了很久的数据手册,很疑惑:

1、图中接法1和接法2是不是输出逻辑相反?比如接法2,是不是Vcomp电压越高,OUT1/OUT2的占空比越大?而接法1是Vcomp电压越高,OUT1/OUT2占空比越小?

2、如果随接法差异,占空比输出不同,那死区的接法不是不一样?

很疑惑,期待解答,感谢

(下图中,Ouput-Control脚接Vref)