根据Datasheet里的这一句话： A logic high on the PWRGD pin indicates that the regulated output voltage of the buck regulator is above 90.5% of its nominal output. 是否我直接接个电阻+LED到地就可以了？下图中的接法是什么意思？1 g* I: F+ p" t8 N3 G( `
Power-Good Signal Output. This open-drain output is the power-good signal for the selected channels. : Y, S* L, @+ I" e$ r' Z. T3 R$ \4 l1 n# ^5 S& p* | n, C
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发表于 2016-1-12 04:52
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支持！
反对！
发表于 2016-1-12 08:53
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