做一个输入5V输出12V的BOOST电路,输入接5V电源后TPS40210不工作,1脚直接出5V高电平,没有起振,什么原因?
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做一个输入5V输出12V的BOOST电路,输入接5V电源后TPS40210不工作,1脚直接出5V高电平,没有起振,什么原因?
上电路图分析一下吧,或者在tps40210产品主页上用webench仿真一下http://www.ti.com.cn/product/cn/tps40210