L2293QTR by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。L2293QTR Price reference ¥ 17.363540。L2293QTR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L2293QTR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial