Allegro MicroSystems, Inc. Announces New Series of White Multi-Chip LEDs

Worcester, MA ¨C February 8, 2008 ¡ª Allegro® announces a new series of white multi-chip LEDs that provide a range of high-powered InGaN white LEDs that can be used in general lighting applications, amusement and gaming equipment, and for backlighting TFT displays. Each module combines eight LEDs in two separate channels. Modular design allows the SEPW devices to be easily assembled into string arrays by simply connecting the modules in a series. The devices also provide superior color balance throughout the display because of the high density of LEDs that can be achieved. This minimizes the distance that power and control lines must run between LED modules and from the LED modules to the control electronics.
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The white thermoplastic case is an innovative design with exceptional heat dissipation properties. The white resin compound is formulated for superior reflectance and transmittance of the generated light. Enhanced thermal dissipation is achieved through the incorporated heatsink on the bottom of the package. The heatsink can be mated directly to an external radiator through the PCB for superior heat conduction allowing dense placement of modules.

The leadframe is plated with silver, providing a highly-reflective surface for the bottom and sides of the emitting area. The terminals and heatsink are also silver-plated.

About Allegro

Allegro MicroSystems, Inc. is a leader in developing, manufacturing and marketing high-performance power integrated circuits and integrated Hall-effect magnetic sensors. Allegro¡¯s innovative solutions serve high-growth applications within the automotive, communications, computer/office automation, consumer and industrial markets. Allegro is headquartered in Worcester, Massachusetts (USA) with design and applications centers located in North and South America, Asia, and Europe. Further information about Allegro can be found at www.allegromicro.com.

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