LM2674M-12 LM2674M-12(UMW) LM2674M-12/NOPB LM2674M-12-NS LM2674M-13+ LM2674M3.3 LM2674M-3.3 LM2674M-3.3 / NOPB LM2674M-3.3(UMW) LM2674M-3.3/NOPB