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CAT4004 - 4-Channel Constant Current LED Driver

Description

The CAT4004 provides four matched low dropout current sources to drive LEDs.

An external resistor on RSET sets the current in the LED channels.

Features

  • Four LED current sinks with tight matching Low Dropout Driver 130mV at 30mA No switching noise Shutdown current < 1μA LED current set by external resistor Dimming via 1-wire EZDimTM interface Thermal shutdown protection RoHS Compliant 8-lead 2mm x 3mm TDFN package.

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Datasheet Details

Part number CAT4004
Manufacturer Catalyst Semiconductor
File Size 320.14 KB
Description 4-Channel Constant Current LED Driver
Datasheet download datasheet CAT4004 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CAT4004 4-Channel Constant Current LED Driver with EZDim™ FEATURES „ „ „ „ „ „ „ „ „ Four LED current sinks with tight matching Low Dropout Driver 130mV at 30mA No switching noise Shutdown current < 1μA LED current set by external resistor Dimming via 1-wire EZDimTM interface Thermal shutdown protection RoHS Compliant 8-lead 2mm x 3mm TDFN package DESCRIPTION The CAT4004 provides four matched low dropout current sources to drive LEDs. An external resistor on RSET sets the current in the LED channels. 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 inputs supports device enable and a digital dimming interface for current setting of all LEDs.
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