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Switching buck regulator touts 95%+ efficiency

Posted: 04 Mar 2013     Print Version  Bookmark and Share

Keywords:buck regulator  switching  SiP 

Vicor expands its Picor Cool-Power ZVS buck regulator product line targeted at high efficiency point-of-load DC-DC regulation.

The PI34XX series buck regulators are optimised for 12V operation (8V to 18Vin), and capable of delivering over 95 per cent peak efficiency for 12V to 3.3V regulation and up to 15A.

The devices integrate a high performance Zero-Voltage Switching (ZVS) topology within a 10x14x2.6mm System-in-Package (SiP) and enhance point-of-load DC-DC regulation by reducing the switching losses associated with conventional hard-switching buck regulators. The reduction of switching losses enables a higher efficiency and higher density regulator that is also simple to use.

PI34XX series buck regulators integrate control circuitry, power semiconductors and support components within the SiP and require only an external inductor with minimal capacitors to form a complete DC-DC switching mode buck regulator.

Picor PI34XX-00-LGIZ Cool-Power ZVS buck regulators are all priced at Rs.537.70 ($9.84) for 1000-unit quantities.

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