L6739TR by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。L6739TR Price reference $ 2.770000。L6739TR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L6739TR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial