LED driver handles rigors of higher voltage off-line illumination

Content Dam Leds En Ugc 2011 01 Led Driver Handles Rigors Of Higher Voltage Off Line Illumination Leftcolumn Article Thumbnailimage File
30096 0 thumb Date Announced: 31 Jan 2011

Dallas, Texas -- Provided in standard SO-8 and high power dissipation exposed pad SO-8 packages, the AL9910 high brightness LED driver from Diodes Incorporated will support universal AC input voltages from 85V to as high as 265V. For interior and exterior off-line lighting products, the exposed pad SO-8 variant in particular helps significantly raise reliability by minimising temperature rise and, through its rugged high voltage process technology, by withstanding input voltage surges of up to 500V. System reliability is further improved by the devices’ in-built over-temperature protection.

Driving LED arrays with a constant current to better control LED brightness, lighting spectrum and lifetime expectancy, the AL9910 will deliver an output of between a few milliamps and 1A via an external MOSFET operating at a resistor programmable switching frequency up to 300kHz. Removing the need for a start-up resistor, a built-in voltage regulator delivers a gate drive to match and protect the switching MOSFET; 7.5V for the AL9910 and 10V for the companion AL9910A.

To extend device flexibility, the high efficiency AL9910 offers two separate dimming inputs for LED brightness control, a linear dimming input controlled by the application of a dc control voltage and a low frequency PWM dimming input accepting an external TTL compatible control signal with a duty ratio of 0-100% and at a frequency of up to a few kHz.

The AL9910 LED driver is priced at $0.60 each in 1k quantities. For further information visit www.diodes.com/products.

About Diodes Incorporated
Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, and analog semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets. Diodes' products include diodes, rectifiers, transistors, MOSFETs, protection devices, functional specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors; power management devices, including LED drivers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. The Company’s corporate headquarters, logistics center, and Americas’ sales office are located in Dallas, Texas. Design, marketing, and engineering centers are located in Dallas; San Jose, California; Taipei, Taiwan; Manchester, England; and Neuhaus, Germany. The Company’s wafer fabrication facilities are located in Kansas City, Missouri and Manchester, with two manufacturing facilities located in Shanghai, China, another in Neuhaus, and a joint venture facility located in Chengdu, China. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; and Munich, Germany; with support offices located throughout the world.

Contact
Rishi Vig Diodes Incorporated Zetex Technology Park, Chadderton, Oldham OL9 9LL, UK Tel: +44 (0)161 622 4444 Fax: +44 (0)161 622 4469

E-mail:rishi_vig@eu.diodes.com

Web Site:www.diodes.com

More in Company Newsfeed