<SEC-DOCUMENT>0000833640-22-000065-index.html : 20220329
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<ACCEPTANCE-DATETIME>20220329160326
ACCESSION NUMBER:		0000833640-22-000065
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20220329
FILED AS OF DATE:		20220329
DATE AS OF CHANGE:		20220329

FILER:

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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23441
		FILM NUMBER:		22780740

	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
</SEC-HEADER>
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<TYPE>DEF 14A
<SEQUENCE>1
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<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: powi-20220329xdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: powi-20220329xdef14a015.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>powi-20220329xdef14a016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: powi-20220329xdef14a016.jpg

</DOCUMENT>
</SEC-DOCUMENT>