REG1117-5 by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。REG1117-5 Price reference $ 2.400000。REG1117-5 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information REG1117-5 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial