TPS61253AYFFR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS61253AYFFR Price reference $ 0.554400。TPS61253AYFFR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS61253AYFFR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial