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Exar Releases Scalable High Voltage, High Current Step-down PowerBlox™ Converter

FREMONT, Calif. Feb. 15, 2011

Optimized for a 12V input voltage rail, yet equally capable of operating from the popular 5V rail, the XRP7665 addresses the needs for smaller footprint and substantial savings in cost sensitive applications. These include audio-video equipment such as set-top boxes, telecom, computing peripherals and more generally distributed point-of-load conversions.

Eric Pittana

Key Product Features

Reaching up to 93% efficiency in a compact "green" SOIC package, the XRP7665 operates at a fixed 340 kHz switching frequency allowing for small external components. The output voltage can be adjusted down to 0.925V, with 2.7% accuracy, via two external resistors, which can be achieved from any single input voltage from 4.75V to 18V. Design flexibility of any point-of-load supply with the XRP7665 is further enhanced with the availability of a dedicated enable function and programmable soft start. Built-in current limit, output over voltage and thermal shutdown protection provide the XRP7665 with fail-safe operations.

Power Management Products

Highly reliable, accurate, power management is a critical part of any technology system. Exar has a broad array of high-performance and industry-proven power management solutions including handset and lighting controls, power conversion, and standard linear devices.

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About Exar

SOURCE Exar Corporation

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