数据表 (LM20242EVAL/NOPB)目录FEATURES1APPLICATIONS1DESCRIPTION1Simplified Application Circuit1Connection Diagram2ABSOLUTE MAXIMUM RATINGS3OPERATING RATINGS3ELECTRICAL CHARACTERISTICS3TYPICAL PERFORMANCE CHARACTERISTICS5Block Diagram9OPERATION DESCRIPTION10GENERAL10PRECISION ENABLE10PEAK CURRENT MODE CONTROL10CURRENT LIMIT10SOFT-START AND VOLTAGE TRACKING10PRE-BIAS STARTUP CAPABILITY11POWER GOOD AND OVER VOLTAGE FAULT HANDLING11UVLO11THERMAL PROTECTION11LIGHT LOAD OPERATION11DESIGN GUIDE13INDUCTOR SELECTION (L)14OUTPUT CAPACITOR SELECTION (COUT)14INPUT CAPACITOR SELECTION15SETTING THE OUTPUT VOLTAGE (RFB1, RFB2)15ADJUSTING THE OPERATING FREQUENCY (RRT)16LOOP COMPENSATION (RC1, CC1)16BOOT CAPACITOR (CBOOT)17SUB-REGULATOR BYPASS CAPACITOR (CVCC)17SETTING THE START UP TIME (CSS)18USING PRECISION ENABLE AND POWER GOOD18TRACKING AN EXTERNAL SUPPLY19BENEFIT OF AN EXTERNAL SCHOTTKY20THERMAL CONSIDERATIONS20PCB LAYOUT CONSIDERATIONS21Revision History23文件大小： 1.1 MB页数： 28Language: English打开用户手册
