Diodes Incorporated (Nasdaq: DIOD), a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic and analog semiconductor markets, today announced the AL5801 linear LED driver. Needing only two additional components, the AL5801 enables designers to simplify automotive interior, signage and general lighting control circuits. Integrating a 100V rated N-channel MOSFET with a pre-biased NPN transistor, this small footprint SOT26 packaged device will drive chains of up to 30 low-power, series-connected LEDs with currents from 20mA to 350mA.
The AL5801’s open-drain output operates between 1.1V and 100V, ensuring common 12V, 24V and 48V power rails are supported, while the LED current is set using an external low value resistor. By generating a 0.56V reference voltage across the resistor, the driver’s internal control transistor helps minimize power losses and ensures sufficient supply voltage margin.
Due to the reference voltage’s negative temperature coefficient, the output current is automatically reduced at higher temperatures, helping to protect the LED chain from any damage, thus improving overall circuit reliability. In addition, the AL5801’s wide operating temperature range of -40°C to +150°C means it can be mounted immediately adjacent to LEDs where PCB space is limited.
For applications requiring simple LED dimming, the driver supports PWM output-current regulation, achieved by driving its bias pin with a PWM signal via an external open-collector NPN transistor or open-drain N-channel MOSFET. For further information, visit the Company’s website 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 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 Plano, Texas. Design, marketing, and engineering centers are located in Plano; 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 two joint venture facilities located in Chengdu, China. Additional engineering, sales, warehouse, and logistics offices are located in Fort Worth, Texas; Taipei; Hong Kong; Manchester; and Munich, Germany, with support offices located throughout the world. For further information, including SEC filings, visit the Company's website at http://www.diodes.com.
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