请问大家:
我有一个根据LM2587手册做的一个DC-DC电源,是24V转正负12V的,但不是隔离的,我想加PC817和TL431把他改为隔离电源,请问如何进行?
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你好,我想问下要产生12V隔离电压,次级一定要先稳成12V再反馈回来吗:还是直接像文档那样LM3411稳成5V再调里面的参数就可