TPS54561的电路如下所示、使用过程中出现问题
[问题]
- SW (9引脚)<-> GND 短路
- 如果您在修复过程中移除 tps54561 ,输入/输出电路正常。
输入/输出规格如下:
输入:SMPS 48V@20A
输出(负载):12V@3~4A
问题1. 是否有任何示例会导致现在出现同样的问题?
问题2. 是否有任何情况与问题表现出相同的症状?
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