第一种:2.7-9V输入.输出恒定电流:1.2A 效率要大于85%以上.(LED的Vf在3.4-3.8V间)
第二种:5.5-12V输入.输出恒定电流:2.5A 效率要大于85%以上.(LED的Vf在3.4-3.8V间)
非诚勿扰:13925248987 QQ:123751753 MSN:DEE.MOK@HOTMAIL.COM
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