Other Parts Discussed in Thread: SN6501, LM25184
您好,
请问使用手册中的原理图,见下图:
VCC在此元件左侧,VDDA和VDDB在此元件右侧,因左侧和右侧是隔离的,那么VDDA,VDDB和VCC之间是不是需要隔离?有推荐吗?
谢谢!
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Hi
Vcc和VDDA/B的电源也是要隔离的,你可以用输入电压通过非隔离电源芯片转换得到VCC, 但是需要用隔离电源芯片(带变压器控制)转换得到VDDA/B.