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            <liveTestFlag>LIVE</liveTestFlag>



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            <secFileNumber>000-23441</secFileNumber>
            <issuerAddress>
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                <ns2:city>San Jose</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95138</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 414-9200</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DOUGLAS BAILEY</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
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        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
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            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>6798</noOfUnitsSold>
            <aggregateMarketValue>492974.64</aggregateMarketValue>
            <noOfUnitsOutstanding>56857583</noOfUnitsOutstanding>
            <approxSaleDate>02/20/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>797</amountOfSecuritiesAcquired>
            <paymentDate>02/01/2022</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
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            <amountOfSecuritiesAcquired>2046</amountOfSecuritiesAcquired>
            <paymentDate>02/07/2022</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/12/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
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            <amountOfSecuritiesAcquired>2463</amountOfSecuritiesAcquired>
            <paymentDate>02/12/2023</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/01/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1492</amountOfSecuritiesAcquired>
            <paymentDate>04/01/2020</paymentDate>
            <natureOfPayment>Compensation</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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            <sellerDetails>
                <name>Douglas Bailey</name>
                <address>
                    <ns2:street1>5245 Hellyer Avenue</ns2:street1>
                    <ns2:city>San Jose</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95138</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>02/13/2024</saleDate>
            <amountOfSecuritiesSold>576</amountOfSecuritiesSold>
            <grossProceeds>43334.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Douglas Bailey</name>
                <address>
                    <ns2:street1>5245 Hellyer Avenue</ns2:street1>
                    <ns2:city>San Jose</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95138</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>02/12/2024</saleDate>
            <amountOfSecuritiesSold>768</amountOfSecuritiesSold>
            <grossProceeds>61485.00</grossProceeds>
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        <securitiesSoldInPast3Months>
            <sellerDetails>
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                <address>
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                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95138</ns2:zipCode>
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            </sellerDetails>
            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>02/06/2024</saleDate>
            <amountOfSecuritiesSold>822</amountOfSecuritiesSold>
            <grossProceeds>60795.00</grossProceeds>
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        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Douglas Bailey</name>
                <address>
                    <ns2:street1>5245 Hellyer Avenue</ns2:street1>
                    <ns2:city>San Jose</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95138</ns2:zipCode>
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            </sellerDetails>
            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>02/05/2024</saleDate>
            <amountOfSecuritiesSold>545</amountOfSecuritiesSold>
            <grossProceeds>41104.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Douglas Bailey</name>
                <address>
                    <ns2:street1>5245 Hellyer Avenue</ns2:street1>
                    <ns2:city>San Jose</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95138</ns2:zipCode>
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            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>02/02/2024</saleDate>
            <amountOfSecuritiesSold>555</amountOfSecuritiesSold>
            <grossProceeds>41947.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>02/20/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Douglas Bailey</signature>
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144
0001389039
XXXXXXXX
LIVE
0000833640
POWER INTEGRATIONS, INC.
000-23441
5245 Hellyer Avenue
San Jose
CA
95138
(408) 414-9200
DOUGLAS BAILEY
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
6798
492974.64
56857583
02/20/2024
NASDAQ
Common
02/01/2022
Restricted stock vesting under a registered plan
Issuer
N
797
02/01/2022
Compensation
Common
02/07/2022
Restricted stock vesting under a registered plan
Issuer
N
2046
02/07/2022
Compensation
Common
02/12/2023
Restricted stock vesting under a registered plan
Issuer
N
2463
02/12/2023
Compensation
Common
04/01/2020
Restricted stock vesting under a registered plan
Issuer
N
1492
04/01/2020
Compensation
N
Douglas Bailey
5245 Hellyer Avenue
San Jose
CA
95138
common
02/13/2024
576
43334.00
Douglas Bailey
5245 Hellyer Avenue
San Jose
CA
95138
common
02/12/2024
768
61485.00
Douglas Bailey
5245 Hellyer Avenue
San Jose
CA
95138
common
02/06/2024
822
60795.00
Douglas Bailey
5245 Hellyer Avenue
San Jose
CA
95138
common
02/05/2024
545
41104.00
Douglas Bailey
5245 Hellyer Avenue
San Jose
CA
95138
common
02/02/2024
555
41947.00
02/20/2024
/s/ Douglas Bailey