我现在用ARM7--LPC2103向TPS61500(5v供电/模拟调光模式)提供PWM波,我的LPC2103引脚必须外接上拉电阻,所以TPS61500的EN引脚上电瞬间有高电平电压,即TPS61500有输出电流。怎么解决上电瞬间有电流输出问题?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我现在用ARM7--LPC2103向TPS61500(5v供电/模拟调光模式)提供PWM波,我的LPC2103引脚必须外接上拉电阻,所以TPS61500的EN引脚上电瞬间有高电平电压,即TPS61500有输出电流。怎么解决上电瞬间有电流输出问题?