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Intersil unveils industry’s highest efficiency small footprint 6-A switching regulator

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By eeNews Europe


The combination of features and compact size makes the ISL8016 an ideal design choice for applications such as industrial automation, communications infrastructure equipment, consumer electronics and instrumentation.

The ISL8016 claims excellent efficiency across its entire load range. The device offers automatic PFM mode and operation down to 2.7 V, improving efficiency and enabling extended battery life or improved "Energy-Star" ratings. The ISL8016 delivers efficiencies the can remain flat over the full load range, reaching as high as 97%. In addition, by switching at frequencies up to 4 MHz, the ISL8016 enables a smaller overall solution size – not just by virtue of its own compact package, but by also allowing designers to use smaller external components.

The ISL8016 integrates two low on-resistance MOSFETs, and lets users adjust operating frequency from 500 kHz to 4 MHz. For applications requiring minimum external components, the device offers a default 1 MHz operation, a fixed internal 1 ms soft start and internal compensation. The device accepts a single 2.7 V to 5.5 V input and can operate at 100% duty cycle, allowing the user to program a wide range of output voltages from 0.6 V to Vin. Fixed output versions between 1.2 V and 3.3 V are also available for maximum design simplicity and even smaller footprint solutions.

In addition, the device supports current-sharing with phase interleaving allowing designers to provide multiples of 6 A output current with reduced Vout ripple. For applications requiring less than 6 A, the ISL8016 offers reduced current limit settings to utilize smaller inductors. To complete the full feature set, the ISL8016 has 1% reference accuracy over temperature, line and load variations, and ±10% voltage margining activated by a simple logic input.

The ISL8016 is available now in a 3×4 mm 20-pin QFN lead-free package with exposed pad for low thermal resistance. The device is priced at $2.85 each in 1,000-unit quantities.

More information about the ISL8016 synchronous buck regulator at www.intersil.com/products/deviceinfo.asp?pn=ISL8016.


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