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            <liveTestFlag>LIVE</liveTestFlag>



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            <issuerName>POWER INTEGRATIONS, INC.</issuerName>
            <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>D. MICHAEL  MATTHEWS</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>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>6017</noOfUnitsSold>
            <aggregateMarketValue>507089.90</aggregateMarketValue>
            <noOfUnitsOutstanding>57393956</noOfUnitsOutstanding>
            <approxSaleDate>08/30/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/12/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2029</amountOfSecuritiesAcquired>
            <paymentDate>02/12/2021</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/11/2021</acquiredDate>
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            <amountOfSecuritiesAcquired>2220</amountOfSecuritiesAcquired>
            <paymentDate>02/11/2021</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/01/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1490</amountOfSecuritiesAcquired>
            <paymentDate>04/01/2021</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/30/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Shares Purchased through Employee Stock Purchase Plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>148</amountOfSecuritiesAcquired>
            <paymentDate>07/30/2021</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/31/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Shares Purchased through Employee Stock Purchase Plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>130</amountOfSecuritiesAcquired>
            <paymentDate>01/31/2022</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>D. MICHAEL  MATTHEWS</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>08/22/2023</saleDate>
            <amountOfSecuritiesSold>8647</amountOfSecuritiesSold>
            <grossProceeds>714420.33</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/30/2023</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ David Michael Hugh Matthews</signature>
        </noticeSignature>
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144
0001583135
XXXXXXXX
LIVE
0000833640
POWER INTEGRATIONS, INC.
000-23441
5245 Hellyer Avenue
San Jose
CA
95138
(408) 414-9200
D. MICHAEL  MATTHEWS
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
6017
507089.90
57393956
08/30/2023
NASDAQ
Common
02/12/2021
Restricted stock vesting under a registered plan
Issuer
N
2029
02/12/2021
Services Rendered
Common
02/11/2021
Restricted stock vesting under a registered plan
Issuer
N
2220
02/11/2021
Services Rendered
Common
04/01/2021
Restricted stock vesting under a registered plan
Issuer
N
1490
04/01/2021
Services Rendered
Common
07/30/2021
Shares Purchased through Employee Stock Purchase Plan
Issuer
N
148
07/30/2021
Cash
Common
01/31/2022
Shares Purchased through Employee Stock Purchase Plan
Issuer
N
130
01/31/2022
Cash
N
D. MICHAEL  MATTHEWS
5245 Hellyer Avenue
San Jose
CA
95138
Common
08/22/2023
8647
714420.33
08/30/2023
/s/ David Michael Hugh Matthews