Exhibit

We consent to the incorporation by reference in Registration Statement Nos. 333-80319, 333-50448, 333-60396, 333-118804, 333-152939, 333-163780, and 333-192703 on Form S-8 of our reports dated March 23, 2017, relating to the consolidated financial statements and financial statement schedule of Semtech Corporation and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended January 29, 2017.