Exhibit 99.1

                       Semtech Announces New Chairman of
                          the Board Rockell N. Hankin



    CAMARILLO, Calif.--(BUSINESS WIRE)--Aug. 25, 2006--SEMTECH
CORPORATION (NASDAQ:SMTC), today announced that on August 24, 2006 the
Board of Directors of the Company appointed Rockell N. Hankin as its
Chairman.
    Mr. Hankin, 59, a Director since 1988 and Vice Chairman of the
Board since 1998, serves on the Company's Audit and Nominating
Committees. He is a private investor and a director of Sparta, Inc.
and two private companies. He is also the Vice Chair of the Kavli
Foundation.
    Mohan R. Maheswaran, President and Chief Executive Officer, said
"I am delighted that Rock Hankin has agreed to assume the
responsibilities of Chairman. Rock has a broad range of business
experience and is without question extremely well versed in corporate
governance. His leadership will help me craft and execute Semtech's
future strategy."
    Mr. Hankin succeeds John D. "Jack" Poe who has stepped down as
Chairman. Mr. Poe has also taken a leave of absence from the Board
pending the conclusion of the current investigation of stock option
practices. Mr. Poe informed the Company that he was taking these
actions in order to avoid even the appearance of a conflict of
interest.

    About Semtech

    Semtech Corporation is a leading supplier of analog and
mixed-signal semiconductors used in a wide range of computer,
industrial and communication applications.



    CONTACT: Semtech Corporation
             John Baumann, 805-480-2010