工程师你们好,ucc3804的6脚输出经过100欧电阻后,为什么要加个稳压管ZMM18,为什么选18伏这么高?
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Hi
稳压管一般作用就是稳压,或者嵌位,以及降压。
因为这个电压是从LDO出来的,只能是嵌位的作用。