<SEC-DOCUMENT>0001972362-24-000130.txt : 20240214
<SEC-HEADER>0001972362-24-000130.hdr.sgml : 20240214
<ACCEPTANCE-DATETIME>20240214170521
ACCESSION NUMBER:		0001972362-24-000130
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240214
DATE AS OF CHANGE:		20240214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWER INTEGRATIONS INC
		CENTRAL INDEX KEY:			0000833640
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				943065014
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-23441
		FILM NUMBER:		24640269

	BUSINESS ADDRESS:	
		STREET 1:		5245 HELLYER AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95138
		BUSINESS PHONE:		4084149200

	MAIL ADDRESS:	
		STREET 1:		5245 HELLYER AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95138

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bailey Doug
		CENTRAL INDEX KEY:			0001389039
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		5245 HELLYER AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95138
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001389039</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000833640</issuerCik>
      <issuerName>POWER INTEGRATIONS INC</issuerName>
      <secFileNumber>000-23441</secFileNumber>
      <issuerAddress>
        <com:street1>5245 HELLYER AVE</com:street1>
        <com:city>SAN JOSE</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>95138</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4084149200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bailey Doug</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Smith Barney LLC Executive Services</name>
        <address>
          <com:street1>200 W Civic Center Dr - 4th Floor</com:street1>
          <com:city>Sandy</com:city>
          <com:stateOrCountry>UT</com:stateOrCountry>
          <com:zipCode>84070</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>423</noOfUnitsSold>
      <aggregateMarketValue>31718.66</aggregateMarketValue>
      <noOfUnitsOutstanding>56900000</noOfUnitsOutstanding>
      <approxSaleDate>02/14/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>01/31/2023</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>151</amountOfSecuritiesAcquired>
      <paymentDate>01/31/2023</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>01/31/2024</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>132</amountOfSecuritiesAcquired>
      <paymentDate>01/31/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>07/31/2023</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>140</amountOfSecuritiesAcquired>
      <paymentDate>07/31/2023</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DOUGLAS BAILEY</name>
        <address>
          <com:street1>5245 HELLYER AVE</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95138</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>PERFORMANCE SHARES</securitiesClassTitle>
      <saleDate>02/13/2024</saleDate>
      <amountOfSecuritiesSold>576</amountOfSecuritiesSold>
      <grossProceeds>43334.28</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DOUGLAS BAILEY</name>
        <address>
          <com:street1>5245 HELLYER AVE</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95138</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>RESTRICTED STOCK</securitiesClassTitle>
      <saleDate>02/12/2024</saleDate>
      <amountOfSecuritiesSold>768</amountOfSecuritiesSold>
      <grossProceeds>61485.35</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DOUGLAS BAILEY</name>
        <address>
          <com:street1>5245 HELLYER AVE,</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95138</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>RESTRICTED STOCK</securitiesClassTitle>
      <saleDate>02/06/2024</saleDate>
      <amountOfSecuritiesSold>822</amountOfSecuritiesSold>
      <grossProceeds>60795.12</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DOUGLAS BAILEY</name>
        <address>
          <com:street1>5245 HELLYER AVE,,</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95138</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>RESTRICTED STOCK</securitiesClassTitle>
      <saleDate>02/05/2024</saleDate>
      <amountOfSecuritiesSold>545</amountOfSecuritiesSold>
      <grossProceeds>41103.90</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>DOUGLAS BAILEY</name>
        <address>
          <com:street1>5245 HELLYER AVE,,,</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95138</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>RESTRICTED STOCK</securitiesClassTitle>
      <saleDate>02/02/2024</saleDate>
      <amountOfSecuritiesSold>563</amountOfSecuritiesSold>
      <grossProceeds>41937.51</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>02/14/2024</noticeDate>
      <signature>/s/ Douglas Bailey</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
