LD1117S50CTR by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。LD1117S50CTR Price reference $ 0.141900。LD1117S50CTR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LD1117S50CTR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial