3.65V 升压到4V 功率设计为最大2A,但测试时加4欧姆负载,就无法启动了,输出电压为3.3V。不加负载时启动正常。另外,不加负载时启动后,再加上负载输出电压也正常。就问是什么原因,怎么解决?谢谢(VBAT输入电容10uF也加了,加到220uF也不管用。)电感饱和电流4A
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3.65V 升压到4V 功率设计为最大2A,但测试时加4欧姆负载,就无法启动了,输出电压为3.3V。不加负载时启动正常。另外,不加负载时启动后,再加上负载输出电压也正常。就问是什么原因,怎么解决?谢谢(VBAT输入电容10uF也加了,加到220uF也不管用。)电感饱和电流4A