Versatile Boost Controller for LED/LCD Applications from Diodes Incorporated Delivers 1-100% Dimming Range

PLANO, Texas–(BUSINESS WIRE)–Diodes Incorporated (Nasdaq: DIOD) today introduced the AL3353 LED/LCD
40V max input boost controller, applicable across a wide range of
applications where a constant voltage or constant current are required
to drive displays and backlights with a dimming ratio of 100:1. It is
well suited for use as a backlight driver for LCD TVs, LCD monitors, and
flat panel displays, as well as an LED driver for commercial lighting
applications.

The AL3353 is a multipurpose boost controller featuring a wide input
voltage of 9V to 40V, allowing it to easily adapt to a variety of common
supply voltages, such as 12V, 24V, and 36V, without further
configuration or loss of efficiency. The AL3353 also includes
comprehensive and robust circuit protection based on proprietary
technology.

Through the implementation of Diodes’ dynamic linearity compensation
technique, which uses an offset cancellation chopping circuit, the
AL3353 maintains linearity across temperature and process variations.
This patent-pending technology accepts a digital PWM input and converts
to an internal analog signal to control the dimming level, which
operates from 1% to 100% dimming range, or a 100:1 ratio. This is
significantly wider than the dimming range offered by most boost drivers
available today targeting this application space.

In addition to a wide input voltage range and excellent dimming
capabilities, the AL3353 features extensive protection designed
specifically for the target applications. This includes diode and
inductor short protection, LED cathode short-to-GND protection, LED-open
protection, and power MOSFET overcurrent protection. Other protection
features are under-voltage lock-out, output overvoltage and
over-temperature protection, and VOUT-short protection.

The AL3353 is available in the SO-8 package. Further information is
available at www.diodes.com.

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, analog and mixed-signal semiconductor
markets. Diodes serves the consumer electronics, computing,
communications, industrial, and automotive markets. Diodes’ products
include diodes, rectifiers, transistors, MOSFETs, protection devices,
function-specific arrays, single gate logic, amplifiers and comparators,
Hall-effect and temperature sensors, power management devices, including
LED drivers, AC-DC converters and controllers, 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. Diodes also has timing,
connectivity, switching, and signal integrity solutions for high-speed
signals. Diodes’ corporate headquarters and Americas’ sales office are
located in Plano, Texas and Milpitas, California. Design, marketing, and
engineering centers are located in Plano; Milpitas; Taipei, Taiwan;
Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and
Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in
Manchester and Greenock, UK, and Shanghai, China. Diodes has assembly
and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou,
China, as well as in Hong Kong, Neuhaus and Taipei. Additional
engineering, sales, warehouse, and logistics offices are located in
Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si,
South Korea; and Munich, Germany, with support offices throughout the
world.

Recent news releases, annual reports and SEC filings are available at
the Company’s website: http://www.diodes.com.
Written requests may be sent directly to the Company, or they may be
e-mailed to: diodes-fin@diodes.com.

Contacts

Company Contact:
Diodes Incorporated
Emily Yang
VP,
Worldwide Sales and Marketing
P: 972-987-3900
E: pressinquiries@diodes.com

Investor Relations Contact:
Shelton Group
Leanne K.
Sievers
EVP, Investor Relations
P: 949-224-3874
E: lsievers@sheltongroup.com

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