请问TI大神,我用贵公司的TPS56428电源芯片 DC-DC,12V-5V pcb参考了datasheet 焊接后电压输出正常 但老是有啸叫声 怎么去掉?请指教
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请问TI大神,我用贵公司的TPS56428电源芯片 DC-DC,12V-5V pcb参考了datasheet 焊接后电压输出正常 但老是有啸叫声 怎么去掉?请指教