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Exhibit 3.2
 AMENDED AND RESTATED BYLAWS
 OF
 VOLTERRA SEMICONDUCTOR CORPORATION
(A DELAWARE CORPORATION)
 AMENDED AND RESTATED SEPTEMBER 28, 2007




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AMENDED AND RESTATED BYLAWS
 OF
 VOLTERRA SEMICONDUCTOR CORPORATION
(A DELAWARE CORPORATION)
 ARTICLE I
 OFFICES
 Section 1. Registered Office.
 Section 2. Other Offices.
 ARTICLE II
 CORPORATE SEAL
 Section 3. Corporate Seal.
 ARTICLE III
 STOCKHOLDERS MEETINGS
 Section 4. Place Of Meetings.
 Section 5. Annual Meetings.
 (a)
 1.




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(b) th th th th th
 2.




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(c) th
 (d)
 (e)
 (f)
 3.




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Section 6. Special Meetings.
 (a)
  (b)
 (c) th  th th
 Section 7. Notice Of Meetings.
 4.




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Section 8. Quorum.
 Section 9. Adjournment And Notice Of Adjourned Meetings.
 5.




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Section 10. Voting Rights.
 Section 11. Joint Owners Of Stock.
 Section 12. List Of Stockholders.
 Section 13. Action Without Meeting
 (a)
 6.




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(b)
 (c)
 (d)
 7.




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(e)
 Section 14. Organization.
 (a)
 (b)
 ARTICLE IV
 DIRECTORS
 Section 15. Number And Term Of Office.
 8.




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Section 16. Powers.
 Section 17. Classes of Directors.
 (a)
 (b)
 (c)
  9.




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Section 18. Vacancies.
 (a)
 (b)
 (1)
 (2)
 Section 19. Resignation.
 Section 20. Removal.
 (a)
 10.




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(b)
 Section 21. Meetings.
 (a) Regular Meetings.
 (b) Special Meetings.
 (c) Meetings by Electronic Communications Equipment.
 (d) Notice of Special Meetings.
 (e) Waiver of Notice.
 11.




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Section 22. Quorum And Voting.
 (a) provided, however,
 (b)
 Section 23. Action Without Meeting.
 Section 24. Fees And Compensation.
 Section 25. Committees.
 (a) Executive Committee.
 12.




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(b) Other Committees.
 (c) Term.
 (d) Meetings.
 Section 26. Organization.
 13.




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ARTICLE V
 OFFICERS
 Section 27. Officers Designated.
 Section 28. Tenure And Duties Of Officers.
 (a) General.
 (b) Duties of Chairman of the Board of Directors.
 (c) Duties of Chief Executive Officer.
 14.




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(d) Duties of President.
 (e) Duties of Vice Presidents.
 (f) Duties of Secretary.
 (g) Duties of Chief Financial Officer.
 15.




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Section 29. Delegation Of Authority.
 Section 30. Resignations.
 Section 31. Removal.
 ARTICLE VI
 EXECUTION OF CORPORATE INSTRUMENTS AND VOTING OF SECURITIES
OWNED BY THE CORPORATION
 Section 32. Execution Of Corporate Instruments.
   Section 33. Voting Of Securities Owned By The Corporation.
 16.




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ARTICLE VII
 SHARES OF STOCK
 Section 34. Form And Execution Of Certificates.
 Section 35. Lost Certificates.
 Section 36. Transfers.
 (a)
 (b)
 Section 37. Fixing Record Dates.
 (a)
 17.




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provided, however,
 (b)
 (c)
 Section 38. Registered Stockholders.
 18.




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ARTICLE VIII
 OTHER SECURITIES OF THE CORPORATION
 Section 39. Execution Of Other Securities. provided, however,
 ARTICLE IX
 DIVIDENDS
 Section 40. Declaration Of Dividends.
 Section 41. Dividend Reserve.
 19.




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ARTICLE X
 FISCAL YEAR
 Section 42. Fiscal Year.
 ARTICLE XI
 INDEMNIFICATION
 Section 43. Indemnification Of Directors, Executive Officers, Other Officers, Employees And
Other Agents.
 (a) Directors  and Executive Officers . provided, however, provided, further,
 (1)
 (2)
 (3)
 (4)
 (b) Other Officers,  Employees and Other Agents.
 20.




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(c) Expenses. provided, however
  (d) Enforcement.
 21.




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(e) Non-Exclusivity of Rights.
 (f) Survival of Rights.
 (g) Insurance.
 (h) Amendments.
 (i) Saving Clause.
 (j) Certain Definitions.
 22.




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(1)
 (2)
 (3)
 (4)
 (5)
 ARTICLE XII
 NOTICES
 Section 44. Notices.
 (a) Notice To Stockholders.
 23.




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(b) Notice To Directors.
 (c) Affidavit Of Mailing.
 (d) Methods of Notice.
 (e) Notice To Person With Whom Communication Is Unlawful.
 (f) Notice to Stockholders Sharing an Address.
 24.




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ARTICLE XIII
 AMENDMENTS
 Section 45. Amendments. 2 3
 ARTICLE XIV
 LOANS TO OFFICERS
 Section 46. Loans To Officers.
 25.




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Table Of Contents


PageARTICLE I OFFICES
    
    
    1Section 1. Registered Office
    
    
    1Section 2. Other Offices
    
    
    1ARTICLE II CORPORATE SEAL
    
    
    1Section 3. Corporate Seal
    
    
    1ARTICLE III STOCKHOLDERS MEETINGS
    
    
    1Section 4. Place Of Meetings
    
    
    1Section 5. Annual Meetings
    
    
    1Section 6. Special Meetings
    
    
    4Section 7. Notice Of Meetings
    
    
    4Section 8. Quorum
    
    
    5Section 9. Adjournment And Notice Of Adjourned Meetings
    
    
    5Section 10. Voting Rights
    
    
    6Section 11. Joint Owners Of Stock
    
    
    6Section 12. List Of Stockholders
    
    
    6Section 13. Action Without Meeting
    
    
    6Section 14. Organization
    
    
    8ARTICLE IV DIRECTORS
    
    
    8Section 15. Number And Term Of Office
    
    
    8Section 16. Powers
    
    
    9Section 17. Classes of Directors
    
    
    9Section 18. Vacancies
    
    
    10Section 19. Resignation
    
    
    10Section 20. Removal
    
    
    10Section 21. Meetings
    
    
    11Section 22. Quorum And Voting
    
    
    12Section 23. Action Without Meeting
    
    
    12Section 24. Fees And Compensation
    
    
    12Section 25. Committees
    
    
    12Section 26. Organization
    
    
    13


i.




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Table Of Contents  continued
 PageARTICLE V OFFICERS
    
    
    14Section 27. Officers Designated
    
    
    14Section 28. Tenure And Duties Of Officers
    
    
    14Section 29. Delegation Of Authority
    
    
    16Section 30. Resignations
    
    
    16Section 31. Removal
    
    
    16ARTICLE VI EXECUTION OF CORPORATE INSTRUMENTS AND VOTING OF SECURITIES OWNED BY THE CORPORATION
    
    
    16Section 32. Execution Of Corporate Instruments
    
    
    16Section 33. Voting Of Securities Owned By The Corporation
    
    
    16ARTICLE VII SHARES OF STOCK
    
    
    17Section 34. Form And Execution Of Certificates
    
    
    17Section 35. Lost Certificates
    
    
    17Section 36. Transfers
    
    
    17Section 37. Fixing Record Dates
    
    
    18Section 38. Registered Stockholders
    
    
    19ARTICLE VIII OTHER SECURITIES OF THE CORPORATION
    
    
    19Section 39. Execution Of Other Securities
    
    
    19ARTICLE IX DIVIDENDS
    
    
    19Section 40. Declaration Of Dividends
    
    
    19Section 41. Dividend Reserve
    
    
    20ARTICLE X FISCAL YEAR
    
    
    20Section 42. Fiscal Year
    
    
    20ARTICLE XI INDEMNIFICATION
    
    
    20Section 43. Indemnification Of Directors, Executive Officers, Other Officers, Employees And Other Agents
    
    
    20ARTICLE XII NOTICES
    
    
    24Section 44. Notices
    
    
    24ARTICLE XIII AMENDMENTS
    
    
    25Section 45. Amendments
    
    
    25ARTICLE XIV LOANS TO OFFICERS
    
    
    25Section 46. Loans To Officers
    
    
    25
 ii.




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1.