TLV431的Vref=1.24V,输出电压可以从Vref-6V。使用TLV431输出1.24V电压,那输入电压的最小值可以是多少?
1、输入电压是只要大于1.24V就可以吗?
2、目前的设计输入电压使用的是1.8V是否OK?
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.
HI
输入的最小电压与限流电阻有关,输入电压就是限流电阻的压降加上输出电压1.24V, 所以你需要确认负载电流以及TLV431 K极电流。