Profile: Supertex, Inc. is a manufacturer of high voltage analog and mixed signal integrated circuits. We are an ISO 9001 certified company. Our product line includes high voltage analog multiplexer, ultrasound transmit pulsers and beamformers, ultrasound receive channel, and switch integrated circuit. We also offer light emitting diode driver integrated circuits, high voltage electroluminescent backlight driver, switchmode PWM Controller, and high voltage interfaces. Our light emitting diode driver products are used in architectural lighting, display backlighting, and general lighting applications. Our electroluminescent lamp drivers offer some of the best brightness-to-noise ratios in industries, and are one of the key providers of drivers for cell phones, personal digital assistant, watches & MP3 players.