EE Product News

DC/DC Converter Quashes Noise

Targeting low-power mobile designs, the 600-mA EP5368QI synchronous buck dc/dc converter relies on a high level of integration that localizes high-frequency noise associated with switch-mode converters. The device also employs voltage-mode control to achieve high noise immunity and reliable load matching to current sub 90-nm semiconductor process technologies. Measuring 3 mm x 3 mm x 1.1 mm in a QFN package with an integrated inductor, a complete design requires two tiny MLCC capacitors. The converter employs a 4-MHz switching frequency and achieves up to 94% efficiency. It delivers 600 mA of continuous output current over an industrial temperature range and 700 mA over the commercial temperature range. Other features include a three-pin voltage selector for selecting one of seven preset output voltages or an external resistor divider. Pricing for the EP5368QI is $0.98 each/10,000. ENPIRION INC., Bridgewater, NJ. (908) 575-7550.


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