Power Integrations, Inc., (Power Integrations) designs, develops, manufactures and markets high-voltage, analog and mixed-signal integrated-circuit (IC) products and high-voltage silicon diodes. The Company�s products are used in electronic power supplies, also known as switched-mode power supplies or switchers. S of December 31, 2011, the Company offer IC products that can be used in alternating current (AC)- direct current (DC) power supplies with output wattages up to approximately 500 watts. Its ICs can be used in virtually any power-supply application within its addressable power range, and power supplies focused for the communications, consumer, computer and industrial end markets. The Company sells its products to original equipment manufacturers (OEMs) and merchant power supply manufacturers. The Company operates in the markets of the United States, the United Kingdom, Germany, Italy, India, China, Japan, Korea, the Philippines, Singapore and Taiwan.