如题,变压器副边接地端与UCD3138 AGND用磁珠连在一起
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如题,变压器副边接地端与UCD3138 AGND用磁珠连在一起
您还提到了GND的设计,我们有如下建议:
1. 可以不区分UCD3138的AGND和DGND,即将二者接在一起,铺成一个较大的电源平面。然后再单点接到功率地的稳定点。
2. 将UCD3138的AGND和DGND分开设计。关于这种设计,可以参考附件的设计指南。