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Buck regulator touts small size

Posted: 25 Nov 2008     Print Version  Bookmark and Share

Keywords:buck regulator  portable devices  DC/DC regulators 


Analog Devices Inc. (ADI) touts its ADP2121 as the industry's smallest 500mA buck regulator targeted at portable devices.

The ADP2121 is the first of a family of high-frequency 6MHz DC/DC regulators. The ADP2121 is available in a 1.3mm x 0.9mm wafer level chip scale package (WLCSP) with a razor-thin height of 0.6mm. The device requires only two small capacitors and one small inductor, resulting in a 35-per cent reduction in PCB area compared with current 3MHz buck regulator solutions, according to ADI.

It sells for Rs.40.03 ($0.80) per unit in 1,000-unit quantities. Samples are available now in a 6-ball WLCSP.

-Ismini Scouras

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