onsemi CAT4004AHU2-GT3

Tape & Reel (TR) CAT4004A Multi-Step Surface Mount led driver 2.1mm 20mA 5.5V -40C~85C TA

LED Driver 4 Segment 8-Pin UDFN EP T/R / IC LED DRIVER LIN DIM 20MA 8UDFN

CAT4004 Series Constant Current LED Driver w/32 Dimming Levels - UDFN-8

LED Driver, 4-Channel, with 32 Dimming Levels and Reset

The CAT4004A provides four matched low dropout current sources to drive LEDs. The CAT400XA uses an external resistor RSET to set the current in the LED channels. Each LED channel includes an individual control loop allowing the device to handle a wide range of LED forward voltages while still maintaining tight current matching. The EN/DIM logic inputs supports device enable and a digital dimming interface for setting the LED channel current with 32 linear dimming levels. LEDs can be powered directly from a Lithium-ion battery due to the low dropout (50 mV at 20 mA) current sinks. The device is available in the tiny 8-pad UDFN 2 mm x 2 mm package with a max height of 0.55 mm.