CAT4004A driver equivalent, constant current led driver.
* 2 and 4 LED Current Sinks with Tight Matching
* 32 Dimming Levels
* Low Dropout Driver 50 mV at 20 mA
* No Switching Noise
* Shutdown Current less t.
* LCD Display Backlight
* Cellular Phones
* Digital Still Cameras
* Handheld Devices
VIN
2.4 V to
5.5 .
The CAT4002A and CAT4004A provide respectively two and 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 al.
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