SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* BATTERY VENTURES VI LP (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ADVANCED ANALOGIC TECHNOLOGIES INC [ AATI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 08/08/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	08/08/2005		C		3,136,000	A	(6)	3,136,000	D(2)
Common Stock	08/08/2005		C		130,667	A	(6)	130,667	D(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Convertible Preferred Stock	(6)	08/08/2005		C			336,000	(4)	(5)	Common Stock	336,000	$1.9	0	D(2)
Series E Convertible Preferred Stock	(6)	08/08/2005		C			2,800,000	(4)	(5)	Common Stock	2,800,000	$2.4	0	D(2)
Series A Convertible Preferred Stock	(6)	08/08/2005		C			14,000	(4)	(5)	Common Stock	14,000	$1.9	0	D(3)
Series E Convertible Preferred Stock	(6)	08/08/2005		C			116,667	(4)	(5)	Common Stock	116,667	$2.4	0	D(3)

1. Name and Address of Reporting Person* BATTERY VENTURES VI LP (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BATTERY INVESTMENT PARTNERS VI LLC (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BATTERY PARTNERS VI LLC (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* CURME OLIVER D (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* CROTTY THOMAS J (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* FRISBIE RICHARD D (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* LAWLER KENNETH P (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* JONES MORGAN M (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SHERMAN MARK H (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TOBIN SCOTT R (Last) (First) (Middle) C/O BATTERY VENTURES 20 WILLIAM STREET, SUITE 200 (Street) WELLESLEY MA 02481 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This report is filed jointly by the following entities and individuals, all of which are direct or indirect 10% owners, and all of which are members of a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended: Battery Venture VI, L.P., Battery Partners VI, L.L.C., Battery Investment Partners VI, LLC, Richard D. Frisbie, Oliver D. Curme, Thomas J. Crotty, Kenneth P. Lawler, Morgan M. Jones, Mark H. Sherman and Scott R. Tobin. In addition, Kenneth P. Lawler currently serves a representative on Advanced Analogic Technologies Incorporated's board of directors.

2. The reported securities are owned directly by Battery Ventures VI, L.P., and indirectly by Battery Partners VI, L.L.C., as general partner of Battery Ventures VI, L.P. The managing members of Battery Partners VI, L.L.C. are Richard D. Frisbie, Oliver D. Curme, Thomas J. Crotty, Kenneth P. Lawler, Morgan M. Jones, Mark H. Sherman and Scott R. Tobin, who hold voting and dispositive power for the shares held by Battery Ventures VI, L.P. Each of Mr. Frisbie, Curme, Crotty, Lawler, Jones, Sherman and Tobin disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

3. The reported securities are owned directly by Battery Investment Partners VI, L.L.C. The managers of Battery Investment Partners VI, L.L.C. are Oliver D. Curme and Thomas J. Crotty who hold voting and dispositive power for the shares held by Battery Investment Partners VI, L.L.C. Each of Mr. Curme and Crotty disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

4. Shares are immediately convertible into Common Stock.

5. These securities of Advanced Analogic Technologies Incorporated (the "Company") do not expire on a specific date. These securities automatically convert into shares of the Company's Common Stock upon the closing of the Company's initial public offering.

6. The Preferred Stock converted into Common Stock at a ratio of 1 share of Common Stock for each share of Preferred Stock.

	/s/ Thomas J. Crotty managing member of Battery Partners VI, LLC General Partner of Battery Venture VI, LP	08/08/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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