CAT4016 pdf,datasheet
16-Channel ConstantCurrent LED Driver
The CAT4016 is a 16 channel constant current driver for LEDbillboard and other general display applicaTIons. LED channelcurrents are programmed together via an external RSET resistor. Lowoutput voltage operaTIon on the LED channels as low as 0.4 V (for 2 to100 mA LED current) allows for more power efficient designs.