IR2E51Y Datasheet | Sharp Corporation

.. Auto-Brightness Control LED Driver - Description IR2E51Y incorporates white LED driver with auto brightness control. This IC is equipped with charge pump DC/DC converter. Input voltage is boosted into CPO by a charge pump circuit. This IC maintains high efficiency since the charge pump circuit automatically selects 1x or 1.5x charge pump mode depending on input voltage and load. It contains 4 white LED drivers to drive the main-LCD backlight, 2 white LED drivers for sub-LCD backlight and RGB-LED drivers. All LED are connected in parallel. With peripheral ambient light sensor, this IC automatically adjusts white LED brightness to ambient brightness....