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SSLDs Target Mobile Systems

Tue, 09/16/2008 - 12:28pm

AnalogicTech AAT1271Supporting 2 WLEDs at up to 750 mA each or 1 WLED at up to 1.5 A, AnalogicTech’s AAT1271 and AAT1272 SSLDs are suitable for single-cell Lithium-ion battery powered mobile systems. The 3 mm² 14-pin TDFN-packaged components have a single-wire AS²Cwire and I²C interface, respectively, an input voltage range from 2.7 V to 5.5 V and switching frequency of 2 MHz. The WLED flash drivers exhibit up to 85% efficiency with 1µH inductors, separate flash enable and movie-mode with 15 current levels and a 7.3:1 flash-to-movie-mode current ratio. The devices include an input current limit capability and true load disconnect switch that reduces supply current in shutdown to <1 µA, as well as a flash safety timer that is user-programmable across 16 levels. The AAT1271 adds a flash inhibit for GSM mobile applications. Pricing is $1.49 in 1,000 quantities.

AnalogicTech
408-524-9684, www.analogictech.com

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