TPS54427DDAR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS54427DDAR Price reference $ 0.891000。TPS54427DDAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS54427DDAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial