lM3150 TPS40170 LM25116等均可
具體內(nèi)容包括電路與參數(shù)請看
http://webench.ti.com/webench5/power/webench5.cgi?lang_chosen=zh_CN&VinMin=23&VinMax=42&O1V=20&O1I=5&op_TA=30