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Industry’s Highest Efficiency Small Footprint 6A Switching Regulator

Intersil's ISL8016 is the industry's most compact and efficient 6A synchronous buck (step-down) regulator. This new regulator features up to 97% efficiency and switching frequency up to 4MHz. 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 features excellent efficiency across its entire load range. It offers automatic PFM mode, 100% duty cycle and operation down to 2.7V, improving efficiency and enabling extended battery life. The ISL8016 delivers efficiencies that can remain flat over the full load range, reaching as high as 97% and in low load mode ensures the efficiency stays high with a PFM mode. In addition, by switching at frequencies up to 4MHz, 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 inductors as well as other external components.

The ISL8016 integrates two low on-resistance MOSFETs, and lets users adjust operating frequency from 500kHz to 4MHz. For applications requiring minimum external components, the device offers a default 1MHz operation, a fixed internal 1ms soft start and internal compensation. The device accepts a single 2.7V to 5.5V input and can operate at 100% duty cycle, allowing the user to program a wide range of output voltages from 0.6V to Vin. Fixed output versions between 1.2V and 3.3V 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 6A output current with reduced Vout ripple. For applications requiring less than 6A, 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 space saving 3x4mm 20-pin QFN lead-free package with exposed pad for low thermal resistance. The complete converter occupies less than 0.15in2 area.

Author
Intersil Corp

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