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TPS54331运行一段时间损坏换一个IC或者热风枪吹一下又正常

Other Parts Discussed in Thread: TPS54331

TPS54331在用作12v转5V时,运行一段时间后会无输出,换上一片后又能正常工作

或者,损坏的TPS54331用热风枪吹一下又能正常工作