LM4040CEM3X-5.0/NOPB LM4040CEM3X5.0NOPB LM4040CEM3X-8.2 LM4040CEM3X-ADJ LM4040CEX3-2.1 LM4040CEX3-2.1-T LM4040CEX3-2.5 LM4040CEX3-2.5+T LM4040CEX3-2.5-T LM4040CEX3-3