The KTD3117-1 from Kinetic Technologies is a LED Driver with Input Voltage 2.7 to 5.5 V, Output Current 20 mA, Number of Channel 3, Number of Output 3, Operating Temperature Range -40 to 85 Degree C. Tags: Wafer-level Packaging, Backlight LED Driver. More details for KTD3117-1 can be seen below.