LM2990T-12/NOPB LM2990T-12/NOPB . LM2990T-12-TI LM2990T-13+ LM2990T-15 LM2990T-15/NOB LM2990T-15/NOP8 LM2990T-15/NOPB LM2990T-5 LM2990T-5.0