CSD97374在无线充三线圈方案中,测试时遇到如下问题:1,当PVIN输入为7V ,Vdd输入为5V时, SW输出正常。2,当PVIN输入升至8V时,Vdd输入5V时,SW输出保护。附件为原理图和测试波形
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Hi
没有保护,而可能是你的不太好,在输入电压一上升,纹波电流大了,电路就很不稳定了。