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请教一个问题，推挽开关电源，把tl494的e1,e2接地，用c1,c2驱动mos管，驱动电路怎么接才能使pwm波形较好，开通关断时间都较短，谢谢各位！
每路驱动输出接一个1K上拉电阻到IC的电源
1K上啦如果驱动MOS的话波形惨不忍睹了，494直接驱动不管是上啦还是下拉都在数十到百数Ω.当然损耗会很大，加一级图腾射随器是上策---但不明白为什么要从c出，那样岂不是倒相了！再加一级倒相？！
