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Step-Down Controller Achieves Higher Performance

FREMONT, Calif. Feb. 7, 2011

Eric Pittana

Key Product Features

Reaching up to 92% efficiency in a compact package the XRP6124, a non-synchronous 500ns constant on-time controller, operates at a quasi constant switching frequency of up to 1MHz and supports input voltages up to 30V and adjustable output voltages as low as 1.2V. The proprietary control architecture provides for extremely fast line and load transient responses, requires no external compensation circuitry and allows usage of cost effective ceramic output capacitors. Design flexibility for point-of-load supplies with the XRP6124 is further enhanced with the availability of a dedicated enable function and built-in soft start. Output short circuit protection provides the XRP6124 with fail-safe operation.

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.

Prices, Packages, Availability and Additional Information

$0.35 $0.45

Additional information on the XRP6124 product can be found at:

Additional information on Exar’s other step-down controllers can be found at

About Exar

SOURCE Exar Corporation

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