<SEC-DOCUMENT>0000833640-17-000106-index.html : 20170323
<SEC-HEADER>0000833640-17-000106.hdr.sgml : 20170323
<ACCEPTANCE-DATETIME>20170323142039
ACCESSION NUMBER:		0000833640-17-000106
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20170323
DATE AS OF CHANGE:		20170323
EFFECTIVENESS DATE:		20170323

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23441
		FILM NUMBER:		17709412

	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>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a_2017.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14a_2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>meetingnotice1_2017.jpg
<TEXT>
Document 2 - file: meetingnotice1_2017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>meetingnotice2_2017.jpg
<TEXT>
Document 3 - file: meetingnotice2_2017.jpg

</DOCUMENT>
</SEC-DOCUMENT>