LM2678S-ADJ/NOPB. LM2678S-ADJNOPB LM2678SD LM2678SD-12 LM2678SD-12/NOPB LM2678SD-3.3 LM2678SD-3.3/NOPB LM2678SD-33 LM2678SD-5.0 LM2678SD-5.0/NOPB