Company:  POWER INTEGRATIONS INC (POWI)
Form Type:  8-K
Filing Date:  4/5/2012 
CIK:  0000833640 
Address:  5245 HELLYER AVE 
City, State, Zip:  SAN JOSE, California 95138 
Telephone:  (408) 414-9200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$44.59  
Change: 
0.44 (1.00%)  
Trade Time: 
May 17  
Market Cap: 
$1.29B
Description of Business
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  FORM 8-K
    SECTION 1 BUSINESS AND OPERATIONS
      Item 1.01. Entry into a Material Definitive Agreement
    SECTION 8 OTHER EVENTS
      Item 8.01. Other Events
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 99.1