CAT4003B, CAT4002B - Constant Current Programmable LED Driver

ON Semiconductor

📥 Download Datasheet

CAT4003B Datasheet Preview — This datasheet PDF includes multiple part numbers: CAT4003B, CAT4002B. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	CAT4003B, CAT4002B
Manufacturer	ON Semiconductor
File Size	378.16 KB
Description	Constant Current Programmable LED Driver
Datasheet	CAT4002B_ONSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: CAT4003B, CAT4002B. Please refer to the document for exact specifications by model.

CAT4003B Product details

Description

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.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 input supports the device enable and a digital dimming interface for setting

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 Compliant.
6-lead TSOT-23, TSOP, SC-70, and 8-pad UDFN 2 mm x 2 mm Packages Typical.

📁 CAT4003B Similar Datasheet

CAT4004 - 4-Channel Constant Current LED Driver (Catalyst Semiconductor)
CAT4008 - 8-Channel Constant Current LED Driver (Catalyst Semiconductor)
CAT4134 - Dual Channel LED Driver (On Semiconductor)
CAT4137 - CMOS Boost Converter - White LED Driver (Catalyst Semiconductor)
CAT4139 - 22V High Current Boost White LED Driver (Catalyst Semiconductor)
CAT4201 - 350mA High Efficiency Step Down LED Driver (Catalyst Semiconductor)
CAT4237 - High Voltage CMOS Boost White LED Driver (Catalyst Semiconductor)
CAT4238 - High Efficiency 10 Led Boost Converter (Catalyst Semiconductor)

Other Datasheets by ON Semiconductor

CAT4002A - Constant Current LED Driver
CAT4002B - Constant Current Programmable LED Driver
CAT4004A - Constant Current LED Driver
CAT4004B - Constant Current Programmable LED Driver
CAT4016 - 16-Channel Constant Current LED Driver
CAT4016W - 16-Channel Constant Current LED Driver

Published: Aug 9, 2010 |