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Product group : Linear ICs
Product Sub-group : Analogue & Mixed Signal ICs
Switching Regulator
in low profile 20-pin QFN package
29/04/2008
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Reference: 31038
The A4490 is a triple-output step-down switching-regulator integrated circuit providing three high-current outputs that are adjustable from 0.8 to 5V with a maximum current of 2A. Operating from an input-voltage range of 4.5 to 34V, the device uses multiphase switching to reduce electromagnetic interference and minimise stress on the input capacitors by interleaving the turn-on cycle of the regulators. Features like soft start, power-on reset output and a small 4x4mm QFN package make it suitable for many portable, office-automation and consumer applications.

 

Allegro Microsystems Inc.

115 Northeast Cutoff
01606 Worcester - USA -Massachusetts
tel: +1-(508) 854 5359
fax: +1-(508) 853 7895
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Magazine_mai_2012_small
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May 2012