ON Semiconductor Introduces GreenPoint® Reference Designs for High Efficiency LED Lighting Applications

Phoenix

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Reference designs simplify development of MR16 format products and LED-based

Phoenix, Ariz. – Nov. 24, 2009 - ON Semiconductor (Nasdaq: ONNN), a leading global supplier of high performance, energy efficient, silicon solutions for green electronics has launched two new GreenPoint® reference designs that will speed and simplify the development of high-efficiency LED-based lighting applications.

Configured in size and features for MR16 LED replacements, the first reference design describes a built and tested 3 watt (W) to 5 W LED driver solution for driving high-brightness LEDS (HB-LEDs). The second design is targeted at designers looking to achieve compliance with the ENERGY STAR® 1.1 requirements for Solid State Lighting (SSL) in residential luminaire applications and describes a built and tested off-line GreenPoint solution for an isolated 8 W constant current LED driver.

Each of the new reference designs addresses all of the functional blocks needed to create a complete application and is available as a package that includes description, schematics, bill-of-materials (BoM), Gerber files and evaluation guidelines.

The MR16 reference design is based on a buck-boost topology using ON Semiconductor’s NCP3065 switching regulator operating at around 150 kilohertz (kHz) in a non-isolated constant current configuration. Suitable for 12 Vac or 12 Vdc applications such as track lighting, automotive lighting and landscape lighting, the circuit delivers flat current regulation irrespective of input line and output LED voltage variation. It also features a unique auto-detect circuit that allows input from a 12 Vdc or 12 Vac supply while maintaining the targeted output current. A reference design evaluation board is available on the ON Semiconductor website at www.onsemi.com.

ON Semiconductor’s off-line LED Driver GreenPoint reference design for ENERGY STAR residential LED luminaires has been optimized to drive between one and eight high-power LEDs in applications such as portable desk lamps, under-cabinet lighting and outdoor porch lights. This reference design uses a novel circuit configuration to achieve a power factor of >0.85 at 115 Vac without the addition of an extra passive power factor correction network. This reduces components count and easily meets the residential power factor requirements. The design operates from a 90 Vac – 265 Vac universal input and is built around the ON Semiconductor NCP1014 switcher IC, which integrates a fixed-frequency current mode controller with a 700 V MOSFET.

“The market for solid state lighting continues to grow as new and traditional manufacturers look to capitalize on the performance, cost, reliability and efficiency benefits that LEDs offer over conventional alternatives,” said Laurent Jenck, ON Semiconductor’s marketing director for power supply applications. “These new GreenPoint reference designs allow designers of new and emerging lighting applications to dramatically reduce development times by providing a proven and tested solution to driving high brightness LEDs as efficiently as possible.”

About GreenPoint

GreenPoint reference designs from ON Semiconductor enable more efficient systems by establishing the feasibility of meeting emerging energy efficiency standards with existing technology, and by setting performance benchmarks. As well as the new designs for solid state lighting, GreenPoint reference designs are available for ATX, DTA, STB, CRT TV, and LCD TV power supplies; and 5 W, 16 W, 40 W, 60 W, 90 W and 200 W power adapters. To acquire documentation packages visit www.onsemi.com/greenpoint.

About onsemi

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

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onsemi and the onsemi logo are trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the Company references its website in this news release, information on the website is not to be incorporated herein.

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