LM78S40CN/NOPBIC REG BUCK BOOST INV ADJ 16DIP|TEXAS INSTRUMENTS|Lead All|RoHS Mixed LM78S40CN/NOPB LM78S40N/NOPBIC REG BUCK BOOST INV ADJ 16DIP|TEXAS INSTRUMENTS|Lead All|RoHS Mixed LM78S40N/NOPB