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file filename
EX-32 - EX-32 - POWER ONE INCa2197329zex-32.htm
EX-21 - EX-21 - POWER ONE INCa2197329zex-21.htm
EX-31.2 - EX-31.2 - POWER ONE INCa2197329zex-31_2.htm
EX-31.1 - EX-31.1 - POWER ONE INCa2197329zex-31_1.htm
10-K - 10-K - POWER ONE INCa2197329z10-k.htm

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Exhibit 23


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the incorporation by reference in Registration Statement Nos. 333-70432, 333-130520, and 333-42079 on Form S-8, of our report dated March 16, 2010, relating to the financial statements and financial statement schedule of Power-One, Inc. and the effectiveness of Power-One, Inc.'s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Power-One, Inc. for the year ended January 3, 2010.

/s/ DELOITTE & TOUCHE LLP

Los Angeles, California
March 16, 2010




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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM