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Boost regulator provides up to 87% efficiency

Posted: 22 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:boost regulator? passive matrix OLED? high efficiency?

Intersil ISL97701 OLED boost regulator

Intersil Corp. has released the ISL97701, a passive matrix OLED boost regulator said to combine high current output, efficiency, fault protection and integrated Schottky diode.

With efficiency up to 87 percent, ISL97701 can deliver 50mA of output current at 18V. It can provide up to 28V output, enabling power efficient operations in MP3, PMPs, automotive clustering and low-end cellphone PMOLED displays. ISL97701 is also suitable for standard boost regulation applications such as WiMAX card and LCD bias generator power applications.

The integration of the Schottky diode reduces the BOM cost and saves board space, while an integrated input disconnect switch protects the device against overcurrent, overvoltage and over temperature.

ISL97701 is highly versatile with a variable output that can be set by external resistors to match the needs of the application. At just 3-by-3-by-0.9mm, its 10-lead DFN (Pb-free) package is a very compact power management IC for portable applications.

The advantage that ISL97701 offers over similar competitors' devices is its combination of features, said Intersil. Customers no longer have to choose between high current output and fault protection, or fault protection and an integrated Schottky diode. With its ISL97702, Intersil provides the industry's only choice that delivers all of these features. ISL97702 is recommended for customers who require dynamically adjusting two levels of output voltages.

ISL97701 is available in a 10-lead DFN configuration. Pricing begins at 80 cents each in quantities of 100 to 1,000 units.

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