ON Semiconductor’s New 16 Watt AC-DC Adapter GreenPoint™ Reference Design Exceeds ENERGY STAR® Requirements for xDSL Modem Adapters

This highly-efficient, open reference design can be easily modified for use with 10-20 watt, single output-voltage adapters for printers, routers, and

Phoenix, AZ, Feb. 22, 2008 – ON Semiconductor (Nasdaq: ONNN) today introduced a GreenPoint™ open reference design for a 16 watt (W) ac-dc adapter for xDSL modems. This design exceeds ENERGY STAR® requirements for single voltage ac-dc and ac-ac external power supplies revision 1.1, for high active-mode power efficiency and low standby-mode power consumption. The reference design can also be easily modified for use with 10-20 W, single output-voltage adapters for printers, routers, and hubs.

This fully-implemented and tested solution achieves active-mode efficiency of 78 percent at 120 Vac and 79 percent at 230 Vac, exceeding ENERGY STAR® guidelines of 74 percent for both input voltages. In standby-mode, the solution consumes only 240 milliwatts (mW) at 120 Vac and 200 mW at 240 Vac, exceeding ENERGY STAR® guidelines of 0.5 W for both input voltages. In addition, the design complies with FCC Part 15 Level B EMI requirements.

“ON Semiconductor’s new 16 W GreenPoint™ reference design expands the power range of ON Semiconductor’s portfolio of efficient reference designs for ac-dc adapters,” said Andy Williams, senior vice president and general manager of ON Semiconductor’s Automotive and Power Regulation Group. “By utilizing this proven solution, customers can quickly deploy consumer products that comply with evolving efficiency standards in a wide variety of geographic markets.”

The reference design addresses all functional blocks of the adapter, utilizing several of ON Semiconductor’s power management devices and drawing from its leading discrete component portfolio to achieve superior efficiency performance.

Key Products in the Reference Design Include:

NCP1027: This high voltage switcher includes a power MOSFET together with a startup current source, all directly connected to the bulk capacitor. To prevent lethal runaway in low input voltage conditions, an adjustable brown-out circuit blocks the activity until a sufficient input level is reached. Offered in a PDIP-7 package, the NCP1027 is priced at $0.97 per unit in 1,000-unit quantities.

MURS160: This 1 ampere (A), 600 volt (V) Ultrafast Rectifier is offered in an SMB package and priced at $0.20 per unit in 2,500-unit quantities.

MBRS360: This 3 A, 60 V Schottky Rectifier is offered in an SMC package and priced at $0.33 per unit in 2,500-unit quantities.

MMSD4148: This 100 V Switching Diode is offered in an SOD-123 package and priced at $0.04 per unit in 10,000-unit quantities.

MMSZ5241B: This 500 mW Zener Diode, offered in an SOD-123 package and priced at $0.04 per unit in 3,000-unit quantities.

All of these devices are RoHS compliant and are delivered in Pb-free packages.

ON Semiconductor has a complete documentation package for the 16 W ac-dc adapter reference design, including description, schematics, bill-of-materials, Gerber files and evaluation guidelines. The documentation package is available at www.onsemi.com/greenpoint, as are links to relevant industry information and other supporting information. For more information, contact Christophe Warin at Christophe.Warin@onsemi.com.

APEC Demo

A live demonstration of a 16 W ac-dc xDSL modem adapter utilizing this GreenPoint™ reference design will be on display at the ON Semiconductor booth (No. 210) at the Applied Power Electronics Conference (APEC) to be held in Austin, TX, from Feb. 25-27. For more information about the show, visit https://www.apec-conf.org/.

About GreenPoint

GreenPoint reference designs enable more efficient systems by establishing the feasibility of meeting emerging energy efficiency standards with existing technology, and by setting performance benchmarks. ON Semiconductor’s GreenPoint reference designs are available for ATX, 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 https://www.onsemi.com and search on “GreenPoint”.

About ON Semiconductor

With its global logistics network and strong portfolio of power semiconductor devices, ON Semiconductor (Nasdaq: ONNN) is a preferred supplier of power solutions to engineers, purchasing professionals, distributors and contract manufacturers in the power supply, computer, consumer, portable/wireless, automotive and industrial markets. For more information, please visit ON Semiconductor’s website at https://www.onsemi.com.

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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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