LedDrivers

http://www.eldoled.com/?e=opj5i85--84xEm1LvOKf3esqGie5qarkyFmdu82L0QPsu6VefmaOYH7tsuqJF4b6

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2243/t/do max 3966 - 155meg led driver