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Low power voltage supervisors eye portable devices

Posted: 14 Aug 2008 ?? ?Print Version ?Bookmark and Share

Keywords:voltage supervisor? voltage accuracy? portable application?

ISL88001/2/3

Intersil Corp. has released the ISL88001/2/3 ultralow power family of three-lead voltage supervisors, which are said to consume less power (160nA at 1.8V supply current) than any competing three-lead voltage supervisors with a comparable supply voltage range. The ultralow current consumption makes them suitable for battery-powered and portable designs, says the company.

Intersil's ISL88001/2/3 family of devices also provides a voltage threshold accuracy of 1.2 percent for dependable reset assertion and precision monitoring of 1.8V or 5V power supplies. A 200ms Power-On Reset timeout function further prevents erroneous resets in the application. This combination of performance in a voltage supervisor helps designers to ensure that their system is reliably reset for increased robustness, said Intersil.

The family of voltage supervisors offers designers a total of 54 potential product options. Intersil notes that among the choices available when selecting the ISL88001/2/3 is the ability to choose from nine of the industry's most widely used factory-set voltage thresholds. This family of voltage supervisors also features three distinct reset output types: active low push-pull (ISL88001), active low open drain (ISL88002) and active high push-pull (ISL88003). Moreover, designers can choose between small three-lead SC-70 and SOT-23 packages.

The ISL88001, ISL88002 and ISL88003 are available now in SC-70 or SOT-23 packaging and are priced at 57 cents each in 1,000-unit quantities.





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