Product category: Power Supply ICs and Controllers
News Release from: National Semiconductor | Subject: LM2791/2/3/4, LM3354/5
Edited by the Electronicstalk Editorial Team on 14 February 2002
Frugal drive for backlighting
National Semiconductor has released a range of six white-LED for use in hand-held battery-powered equipment.
National Semiconductor has released a range of six white-LED for use in hand-held battery-powered equipment The LM2791, LM2792, LM2794 and LM2795 are constant-current drivers optimised to light displays with up to four white LEDs
This article was originally published on Electronicstalk on 5 Jan 2001 at 8.00am (UK)
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The LM3354 and LM3355 are constant voltage drivers optimised to drive larger numbers of white LEDs in applications such as keypad backlighting.
The LM2703 and LM2704 are magnetic boost convertors optimised to drive white LEDs in applications where efficiency is paramount.
Together, the eight chips make a complete solution set that addre