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Resonant Mode Controller suits switch mode power supplies.

Press Release Summary:

Featuring built-in high side and low side MOSFET drivers and 500 kHz VCO, Model NCP1396 enables design of display power converters, AC-DC adapters, and industrial power supplies. Adjustable dead time helps fight cross-conduction between upper and lower transistor and insures zero voltage switching operation for primary switches under all load conditions. Protection features include broken feedback loop detection, fast and slow events inputs, and brown-out detection.

Original Press Release:

ON Semiconductor Introduces Resonant Mode Controller for Reliable, Highly Efficient Switch Mode Power Supplies

Featuring high and low side drivers, the NCP1396 enables compact design of efficient display power converters, high power density ac-dc adapters, game consoles and industrial power supplies

PHOENIX, Ariz. - May 23, 2007 - ON Semiconductor (Nasdaq: ONNN), a global leader in efficient power semiconductor solutions, today introduced the NCP1396 - a high performance resonant mode controller featuring built-in high side and low side MOSFET drivers. The device enables compact design of reliable and highly efficient power supply for a variety of applications including flat panel display power converters, high power density ac-dc adapters, industrial power sources and game consoles.

The unique architecture of the NCP1396 includes a 500 kilohertz (kHz) Voltage Controlled Oscillator. Because it is important to stay away from the resonating peak in resonant topologies, to keep operating the converter in the right region, the NCP1396 features an adjustable and accurate minimum switching frequency. Supported by proprietary high voltage technology, this controller welcomes a bootstrapped MOSFET driver for half bridge applications accepting bulk voltages up to 600 volts (V). An adjustable dead time helps to fight cross-conduction between the upper and the lower transistor and also insures Zero Voltage Switching (ZVS) operation for the primary switches under all load conditions. A skip-cycle mode can be easily implemented to improve standby power and no-load operation efficiency.

The NCP1396 offers enhanced protection with multiple protection features that contribute to a safer converter design, without engendering additional circuitry complexity. Among the enhanced protection features of the NCP1396, are broken feedback loop detection, fast and slow events inputs, and brown-out detection to avoid operation from a low input voltage.

Designed for a variety of power supply applications, the NCP1396 is available in two versions. NCP1396A is designed for high power consumer applications and the NCP1396B is ideal for power industrial supplies.

GreenPoint(TM) Reference Design
The NCP1396 updates the NCP1395 as a key component in ON Semiconductor's open GreenPoint(TM) reference design for 220 watt (W) LCD-TV power supplies. A complete reference design documentation package is available - including description, schematic, bill-of-materials, Gerber images, and evaluation results. These materials are available at (keyword search: GreenPoint), as are the product specifications and other supporting information.

Packaging and Pricing
Offered in an SOIC-16 package, the NCP1396 is priced at $1.60 per unit in 2,500 unit quantities. The NCP1396 will soon be offered in a PDIP-16 package.

For additional technical information, visit or contact Christophe Warin at

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

ON Semiconductor and the ON Semiconductor logo are registered 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, such information on the website is not to be incorporated herein.

Anne Spitza
Marketing Communications
ON Semiconductor
(602) 244-6398

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