Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-142223 on Form S-8 of our reports dated March 4, 2008, relating to the financial statements of Advanced Analogic Technologies, Inc. (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company’s adoption of Financial Accounting Standards Board Interpretation No. 48Accounting for Uncertainty in Income Taxes—an interpretation of FASB Statement No. 109,and Statement of Financial Accounting Standards No. 123(R),Share-Based Payment),and the effectiveness of Advanced Analogic Technologies, Inc.’s internal control over financial reporting appearing in this Annual Report on Form 10-K of Advanced Analogic Technologies, Inc. for the year ended December 31, 2007.
/s/ DELOITTE & TOUCHE LLP
San Jose, California
March 4, 2008