ths4303的/PD引脚可以接正的5V不?除了可以接地外,接多少电压合适??
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ths4303的/PD引脚可以接正的5V不?除了可以接地外,接多少电压合适??
PD 低有效,THS4303正常工作时PD为高电平,为低电平时,进入power down状态,所以就不工作了。
power on的阈值电压为1.5V,power down的电压为0.9V,也就是说当大于1.5V时,正常工作,当小于0.9V时,进入power down省电模式。
所以接2.5V没问题。