CAT4004B Overview
The CAT4003B and CAT4004B provide respectively three and four matched low dropout current sources to drive LEDs. The CAT400XB requires no external RSET resistor. The LED current is internally set to 25 mA when the device is first enabled.
CAT4004B Key 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
- Thermal Shutdown Protection
- RoHS pliant
