UC3846DW by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。UC3846DW Price reference $ 4.420000。UC3846DW - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information UC3846DW Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial