LM2940S-13+ LM2940S-15 LM2940S-3.3 LM2940S-5.0 LM2940S-5.0- LM2940S-5.0/NOPB LM2940S-5.0/NOPB . LM2940S-5.0/TR LM2940S-5.0^ LM2940S-5.0`