TPS5450DDAR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS5450DDAR Price reference $ 2.250000。TPS5450DDAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS5450DDAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial