LM2575T-5.0 LM2575 LM2575T-5.0 P+ LM2575T-5.0/12/ADJ LM2575T-5.0/ADJ/3.3/12 LM2575T-5.0/LB LM2575T-5.0/LB03 LM2575T-5.0/LF02 LM2575T-5.0/LF03 LM2575T-5.0/LF04 LM2575T-5.0/NOPB