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有关UC3907的一些问题想请技术人员帮忙解决下 谢谢!!

1. 状态灯16脚 它在单机状态下亮吗? 还是只有处于主机状态下才亮?

2. 这个IC有过流稳流功能吗? 就是当负载超出额定电流范围时他会进入稳流状态吗?

3. 如果并联后出现主机从机连续切换的问题怎么办?能稳定住吗?