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电源芯片TPS53014的电源滤波问题

问题是输出的五伏电源存在0.5V左右的纹波,电源噪声太大,影响显示屏的显示效果!

下图的黄色线是输出的电源的纹波,紫色是Q3的G端的波形,蓝色的是Q4的G端的波形