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LV2843 应用在36V电压输入,5V输出,500MA电流环境

现在情况是偶发性失效,LV2843损坏,2843输出端所以IC全部高压短路(部分MCU发厂家做了开盖分析),一个多月时间,现在180多台灯具已经发现十多台这样的问题。