使用TPS54334做DC-DC转换,输入电压13v,能正常输出5v(可带载),但是超出5V后就会出现上电炸机,或者芯片内部MOS下管烧毁。
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使用TPS54334做DC-DC转换,输入电压13v,能正常输出5v(可带载),但是超出5V后就会出现上电炸机,或者芯片内部MOS下管烧毁。
输入是磁珠,输出也是有磁珠。目前是断了输出磁珠只是单独调试电源,目标最大负载输出电流2A,电感使用的是MS127-330MT33UH,饱和电流3A,热焊盘有接地