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Drivers Target 1W and Higher LEDs

Mon, 07/13/2009 - 1:22pm

Handling 1W, 3W, and higher LEDs, the MIC3230/31/32 family of high-brightness LED drivers targets solid-state lighting and general illumination applications. The series features an operating input voltage range from 6 V to 45 V, a feedback voltage of 250 mV, and is capable of driving an output up to 70 W. The MIC3230/31 has an adjustable operating frequency from 10 kHz to 1 MHz and the MIC3232 has a fixed frequency operation of 400 kHz. The MIC3231 features a dithering capability which can reduce EMI by up to 12 dB. All three products feature PWM dimming capability, an enable pin for very low power shutdown, OVP, over temperature protection, and UVLO. From $1.20 in 1K quantities.

Micrel
408-944-0800, www.micrel.com 

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