Alpha and Omega Semiconductor Limited (AOS) announced the release of the AOZ3053, a 5A EZBuck dc-dc regulator with smart mode adaption functions, available in a thermally enhanced exposed pad SO-8 package. The AOZ3053 is the first of this new smart platform, which allows for more thermally efficient dc-dc solutions for consumer, networking and industrial applications such as LCD TVs, set-top boxes, cable modems, and power supplies.
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The AOZ3053 is a high efficiency and simple-to-use synchronous step-down regulator with switching frequency of 500kHz and input voltage range of 4.5V to 18V. Leveraging AOS’s co-package EZBuck design, the AOZ3053 integrates a 55mW high-side and 15mW low-side MOSFET, and provides 5A of continuous output current at over 90% efficiency and maintains it at 85% efficiency while in 10mA light load operation. This new device offers various features such as adaptable light load with surge output current capability, over-voltage protection, cycle-by-cycle current limit and short-circuit protection which are a must when powering high-end digital ICs.
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The AOZ3053 is immediately available in production quantities with a lead-time of 12 weeks. The unit price of 1,000 pieces is $1.30.
source: http://www.powerpulse.net/story.php?storyID=32936
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