数据表 (LM3434SQ-20AEV/NOPB)目录FEATURES1APPLICATIONS1DESCRIPTION1TYPICAL APPLICATION CIRCUIT1CONNECTION DIAGRAM2BLOCK DIAGRAM3ABSOLUTE MAXIMUM RATINGS4RECOMMENDED OPERATING CONDITIONS4ELECTRICAL CHARACTERISTICS5TYPICAL PERFORMANCE CHARACTERISTICS7OPERATION9CURRENT REGULATOR OPERATION9PROTECTION9Output Open Circuit9DESIGN PROCEDURE9SETTING LED CURRENT CONTROL9FIXED LED CURRENT10ADJUSTABLE LED CURRENT10INPUT CAPACITOR SELECTION10RECOMMENDED OPERATING FREQUENCY AND ON TIME "TIMEON" CALCULATION10TIMING COMPONENTS (RON and CON)10INDUCTOR SELECTION11POWER FET SELECTION11DIM FET SELECTION11BOOTSTRAP CAPACITORS11SOFT-START CAPACITOR11ENABLE OPERATION11PWM DIM OPERATION12LAYOUT CONSIDERATIONS12APPLICATION INFORMATION13Revision History15文件大小： 815.5 KB页数： 20Language: English打开用户手册
