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.
Other Parts Discussed in Thread: LM3409HV, TPS92641, TPS92640, TPS92660, TPS92690
输入电压30v-75v 输出电压4-28v 输出电流0-6a可调 效率高一些的。
LED是受结温变化压降的发光二极管，所以；正确的驱动方法是恒流或恒功率。不能单纯用稳压电源替代。 可用方案有TPS92660、TPS92640、TPS92641、TPS92690这几款。
旦数据表描述最大电流是5A。用到6A时；建议用低栅电荷MOSFET，并注意散热。
