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我现在准备做一个LED光源，LED用的CREE XPE系列，要求LED发光稳定，不能出现较大波动，准备选用LM3404作为驱动源，请问这个芯片的EN/DIM引脚能否直接接在电源输入端？
亲；不行！该脚耐受电压能力是7V。不可超限。
谢谢。把次引脚接一个高电平信号（非PWM信号）是否可行？
