TPS7A8101 用于5V转3V3,在后端3V3启动时,瞬间电流700MA,出现5V跌落; 此TPS7A8101最大输出是1A的电流,瞬间700mA的电流为什么会出现跌落,可否改善?
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
LDO电路和使用都很简单的,如果输入电容靠近Vin脚,并且输入没有电流限制不应该出现输入瞬态跌落。
将D4去掉,用外部电源供应器供电,用负载机测试下,看是否有同样异常?