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August, 2014 Intersil Intros New Buck Regulators
Milpitas, CA — Intersil Corporation (NASDAQ: ISIL) has unveiled the ISL85003 and ISL85003A 3 Amp synchronous buck regulators with in-
tegrated high-side and low-side MOSFETs. The new ISL85003/3A buck regulators support an input voltage range of 4.5 to 18V while de-
livering very efficient and continuous 3A current. The regulators are espe- cially suitable for the latest genera- tion of FPGAs from leading manufac- turers for high-end server, network communication and industrial process control applications. The new buck regulators are said to be the most efficient regulators of their
highest efficiency, making systems more robust with consistent and reli- able performance. Based on a propri- etary high-performance power FET, the high-side FET runs at 65mL and the low-side RDS(ON) runs at 45mL. This makes the devices the lowest RDS(ON) buck regulator solutions in the market place with up to 95 per-
Synchronous buck regulators.
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kind, reducing power loss, eliminat- ing the need for fans or other cooling systems, improving reliability and extending the life of end products. The units are designed to deliver a very low resistance in a triode region RDS(ON) with an optimized current mode controller to further improve efficiency and reduce die tempera- tures, keeping complex systems cool- er and preventing product failures. Many 12V infrastructure and
r
system for the electronics bench top.
system forthe
industrial applications need a buck regulator solution to step the system voltage down to 3.3V and lower while delivering a continuous 3A current. These applications require a high level of reliability and low power loss to extend product life and reduce risk of system failure. Existing 3A solu- tions have failed to meet the needs of these applications because they fre- quently hit their temperature limits, thus reducing power management ef- ficiency and product reliability. Intersil specifically designed
the new 3A synchronous buck regula- tors to operate at and enable the
cent efficiency. Greater efficiency translates to lower die temperatures, keeping the system cooler and reduc- ing reliance on fans or other outside cooling systems. The highly efficient FETs also enable the ISL85003/3A buck regulators to work in applica- tions that do not have expensive cool- ing systems. The buck regulators offer a light-load mode that allows systems to go into sleep mode when power requirements drop, effectively consuming less power. Many applica- tions are reducing overall power con- sumption due to governmental regu- lations worldwide. As a result, com- panies are redesigning their products to meet these aggressive new re- quirements. In particular, the indus- trial market has seen a wave of new power efficient products that utilize energy-saving design techniques such as sleep mode. These products range from high-end server and pro- grammable logic controllers (PLCs) to smart home and smart factory ap- plications that require an extended battery charge. In many cases, the microcontroller or FPGAs are put into sleep mode during down time. For applications in which the load can vary from full operation to low power state, having a light load mode feature improves the overall system efficiency. In applications that do not require light load mode, designers can easily disable the feature, reduc- ing the switching frequencies and
simplifying design. Contact: Intersil, 1001 Murphy
Ranch Road, Milpitas, CA 95035 % 888-468-3774 or 408-432-8888
fax: 408-434-5351 Web:
www.intersil.com
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