LM2953M3.3 LM2954-3.3 LM2954-3.3V LM2954-33-AA3-R LM2954-33-S08-R LM2954-33-S08-T LM2954-33-T92-K LM2954-5.0 LM2954-50-S08-T LM2954-50-T92-B