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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999997-07-021045.txt : 20070426
<SEC-HEADER>9999999997-07-021045.hdr.sgml : 20070426
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ACCESSION NUMBER:		9999999997-07-021045
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061231
FILED AS OF DATE:		20070425
DATE AS OF CHANGE:		20070426
EFFECTIVENESS DATE:		20070425

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MONOLITHIC POWER SYSTEMS INC
		CENTRAL INDEX KEY:			0001280452
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770466789
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51026
		FILM NUMBER:		07051647

	BUSINESS ADDRESS:	
		STREET 1:		6409 GUADALUPE MINES ROAD
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95120
		BUSINESS PHONE:		(408) 826-0600

	MAIL ADDRESS:	
		STREET 1:		6409 GUADALUPE MINES ROAD
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95120
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<FILENAME>9999999997-07-021045.paper
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This document was generated as part of a paper submission.
Please reference the Document Control Number 07051647 for access to the original document.
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