TPS54140ADRCR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。TPS54140ADRCR Price reference $ 1.125000。TPS54140ADRCR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS54140ADRCR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial