Description
Constant Current Programmable LED Driver with 32 Dimming Levels CAT4003B, CAT4004B .
The CAT4003B and CAT4004B provide respectively three and four
matched low dropout current sources to drive LEDs.
Features
* 3, 4 LED Current Sinks with Tight Matching
* 32 Dimming Levels
* Low Dropout Driver 75 mV at 20 mA
* No Switching Noise
* Shutdown Current less than 1 mA
* 25 mA Max LED Current per Channel
* Dimming via 1-wire EZDim Interface
* Therm
Applications
* LCD Display Backlight
* Cellular Phones
* Digital Still Cameras
This document contains information on some products that are still under development. onsemi reserves the right to change or discontinue these products without notice. DATA SHEET www. onsemi. com
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