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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1315144/tps63020-with-1-5-h-4a-inductor-load-0-8a-with-1-6a-peak-current-the-inductor-whistles
如何消除感应哨音
您好！
由于 WIFI 的这种脉冲负载是可闻频率、因此从 IC 端来说、我们没有好的解决方案来处理这种情况。
请尝试使用不同的电感器 PN。 另一个提醒是、输出电容也可能是噪声源、请检查。
此致
陶氏
