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Switches offer 10 percent accurate current limit

Posted: 01 Dec 2009 ?? ?Print Version ?Bookmark and Share

Keywords:switch? current limit? resistor?

Maxim Integrated Products is offering the MAX14523A/MAX14523B/MAX14523C, a family of adjustable current-limit switches.

These overcurrent limiters offer a 10 percent accurate current limit that can be programmed from 250mA to 1500mA with an external resistor. The MAX14523A/B/C protect host devices against damage caused by faulty load conditions, and provide reverse-current blocking to prevent current from being dumped back into the source. These tiny devices also have a very low shutdown current (0.5?A).

Applications include cellphones, MP3 players and other battery-powered applications. Packaged in a lead-free, 3mm x 3mm, 8-pin TDFN, the MAX14523A/B/C are fully specified over the -40C to +125C automotive temperature range.

Pricing for the MAX14523A/MAX14523B/MAX14523C starts at $1.26 (1,000-up, FOB USA).

- Ismini Scouras
eeProductCenter

For application notes on switches click here.





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