求一个T I LED恒流驱动方案;5V 2A输入,24V 300mA输出。led采用8串5并,如下图
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
按照你的条件,输出24.2*0.3=7.26W
按照85%的效率,15%的纹波电流,峰值输入电流是7.26/0.85/5*1.15=1.96A
所以建议选择2A以上内置开关的升压LED驱动,TPS61500是比较合适的选择。