寻找48V转12V@3A和48V转5V@3A芯片,最好是同一款芯片,谢谢
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TPS54360(无Soft Start),TPS54361(有Soft start)
48V输入,12V@3A,TPS54361,持续输出问题不大吧,需要做些特殊的散热处理么,仅仅自然对流散热,环温55℃的话,芯片本体大概能达到多高温度?
你好,这颗料的温度上限是150摄氏度,具体的升温和你的layout以及覆铜有关。
请参考datasheet上的布局建议,将thermalpad与大块铜相连,同时再加一些过孔。