UCC28711如何设定或构建
已设定660Vdc时开关电源启动,启动后若电压高于777Vdc时要停止输出 或 低于以555V时要也要停止输出。
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HI
芯片本身不带过压欠压保护的话,需要外加芯片来做,一般用比较器来做,超出范围就关闭芯片供电或者使能。
输入过压到777Vdc时保护已处理好,启动后以555V时要也要停止输出,有什么IC或方案提供参考,谢谢
HI
选用一个双比较器,一路做过压,一路做欠压。