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LM5155: LM5155输出异常

mingyu zhou
Prodigy 10 points

Part Number: LM5155

image.png
如图所示原理图输出不能维持在预计的31V，用电子负载来看输出在77V还在逐渐上升，带载5Kohm，下图是FB（红）,COMP（黄）,GATE（蓝）飞线抓取图片MVIMG_20260602_153113.jpg