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.

TPS5405输出有震荡的问题

Other Parts Discussed in Thread: TPS5405

你好,我用TPS5405这样用,带1A或者2A,芯片很烫,有点震荡,电感我换大了 没效果?请问是需要调comp脚?

  • Hi
    并不是电感感量的问题,而是电感质量的问题。注意你带2A负载,电感饱和电流建议大于2.6A以上。同时电感大小,输出电容,是影响comp补偿。(你可以借助TI webench仿真确认电路)
    芯片发热,还要注意layout ,建议参照datasheet.