The MAX20070B from Maxim Integrated is a LED Driver IC with Input Voltage 2.7 to 5.5 V, Output Current 20 to 167 mA, Number of Channel 2, Switching Frequency 2100 KHz, Operating Temperature Range -40 to 105 Degree C. Tags: Surface Mount, Backlight LED Driver. More details for MAX20070B can be seen below.