LM3940IMPX3.3 LM3940IMPX-3.3 LM3940IMPX-3.3 TEL:88834448 LM3940IMPX-3.3/5.0V LM3940IMPX-3.3/NO LM3940IMPX-3.3/NOPB LM3940IMPX-3.3/NOPB TEL:88834448 LM3940IMPX-3.3@NOPB LM3940IMPX-33 LM3940IMPX-5.0