LM2940L-12 LM2940L-12-AA3-R LM2940L-12-TQ2-T LM2940L-12V LM2940L-12V TO-263 T/R LM2940L-15-AA3-R LM2940L-5.0 LM2940L-5.0-TA3-T LM2940L-5.0V LM2940L-5.0V(TO-252)