# EDGAR Filing Document

**Accession Number:** 0000833640
**File Stem:** 0000833640-23-000003
**Filing Date:** 2023-1
**Character Count:** 7214
**Document Hash:** 3510136f2a1f716a20297fc9d1dca3d5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000833640-23-000003.hdr.sgml**: 20230105

**ACCESSION NUMBER**: 0000833640-23-000003

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20230101

**FILED AS OF DATE**: 20230105

**DATE AS OF CHANGE**: 20230105

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gioia Nancy Lee
- **CENTRAL INDEX KEY:** 0001592604

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-23441
- **FILM NUMBER:** 23513024

**MAIL ADDRESS:**
- **STREET 1:** 6555 WEST GOOD HOPE RD.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53223
**ISSUER**: 

**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

**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

## Ex-24

```

LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS

Know all by these presents, that the undersigned hereby
 constitutes and appoints each of Balu Balakrishnan,
Sandeep Nayyar, Eric Verity, and Jeff Padilla,
or either of them acting singly and with full power
of substitution, the undersigned's true and lawful attorney-in-fact to:

1. Execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer or director or both of Power Integrations, Inc.
(the "Company"), Forms 3, 4 and 5 (and any amendments thereto) in
accordance with Section 16(a) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), and the rules thereunder;

2. Do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete
and execute any such Form 3, 4 or 5, complete and execute
any amendments thereto, and timely file such form with the U.S.
Securities and Exchange Commission (the "SEC"),
including without limitation the filing of a Form ID or any other
documents necessary or appropriate to enable the undersigned
to file the Forms 3, 4 and 5 electronically with the SEC; and

3. Take any other action in connection with the foregoing which,
in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by or for, the
undersigned, it being understood that the documents executed
by such attorney-in-fact on behalf of the undersigned pursuant to
this Limited Power of Attorney shall be in such form and shall contain
such information and disclosure as such attorney-in-fact may approve
in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing
whatsoever required, necessary or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all intents
and purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by
virtue of this Limited Power of Attorney and the rights and powers
herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact,
in serving in such capacity at the request and on the behalf of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with, or any liability for the
failure to comply with, any provision of Section 16 of the Exchange Act.

This Limited Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4 or 5
with respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to each of the
foregoing attorneys-in-fact.
 IN WITNESS WHEREOF, the undersigned has executed
this Limited Power of Attorney as of this 14th day of December, 2022.
Signed and acknowledged:

Signature
/s/Nancy Gioia
Printed Name

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gioia Nancy Lee<br><sub>(Last) (First) (Middle)</sub><br>5245 HELLYER AVE<br><sub>(Street)</sub><br>SAN JOSE, CA 95138<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>POWER INTEGRATIONS INC [ POWI ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2023-01-01 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** By: /s/ Eric Verity Attorney In Fact For: Nancy Gioia  
**Date:** 2023-01-05

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**