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CAT4003B Datasheet Constant Current Programmable LED Driver

Manufacturer: onsemi

Overview: Constant Current Programmable LED Driver with 32 Dimming Levels CAT4003B,.

Download the CAT4003B datasheet PDF. This datasheet also includes the CAT4002B variant, as both parts are published together in a single manufacturer document.

Datasheet Details

Part number CAT4003B
Manufacturer onsemi
File Size 378.16 KB
Description Constant Current Programmable LED Driver
Download CAT4003B Download (PDF)

General 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.

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