http://www.linear.com/products/led_driver_ics http://www.linear.com/products/led_driver_ics http://www.linear.com/products/led_driver_ics http://www.linear.com/products/led_driver_ics http://www.linear.com/products/led_driver_ics http://www.linear.com/products/led_driver_ics application and design notes