LM2676S-3.3P+ LM2676S-3.3TR LM2676S-5 LM2676S-5.0 LM2676S-5.0 MOS(场效应管) LM2676S-5.0/NOPB LM2676S-5.0/NOPB. LM2676S-5.0+ LM2676S-50 LM2676S-5TR