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TPS40170 带不动电机



设计最大输出电流为20A,带阻性负载时可以达到7A没问题 ,但是带电机时,空载时正常,带负载时约为8A,输出电压由24V降到11V,然后就带不动了,断开负载输出电压恢复到24V,怎么解决?