POWER INTEGRATIONS INC — Director's Dealing 2011

Feb 16, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWER INTEGRATIONS INC (POWI)
CIK: 0000833640
Period of Report: 2011-02-14

Reporting Person: RENOUARD BRUCE (VP Worldwide Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-14	Common Stock	M	2699	$17.75	Acquired	13470	Direct
2011-02-14	Common Stock	S	2699	$42.02	Disposed	10771	Direct
2011-02-14	Common Stock	M	18863	$17.75	Acquired	29634	Direct
2011-02-14	Common Stock	S	18863	$42.02	Disposed	10771	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-14	Non-Qualified Stock Option (right to buy)	$17.75	M	2699	Disposed	2013-01-08	Common Stock (2699)	Direct
2011-02-14	Non-Qualified Stock Option (right to buy)	$17.75	M	18863	Disposed	2013-01-08	Common Stock (18863)	Direct