L6747ATR by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。L6747ATR Price reference $ 0.403200。L6747ATR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L6747ATR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial