This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMG3422R030: LMG3422R030 散热问题

Part Number: LMG3422R030

准备设计一款97.5效率的PSU,采用65kHZ

CCM图腾柱PFC+GAN半桥LLC,输出4,5kw

PFC用GAN,我打算做成一个半桥子卡加隔离电源,跟TI官方LMG3422R030 EVM那种类似,散热器我用一个3x3cmx1cm的铝散热器,LLC高压侧也做成类似设计,采用2个LMG3422R030并联设计,

最后我用选用了30mΩ GAN 顶部散热那款,为了减小热阻,我直接把散热器用锡焊在顶部散热那款GAN上,不知道这样处理,有没有问题?