CAT4109 - 3-Channel Constant-Current RGB LED Driver

ON Semiconductor

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Datasheet Details

Part number	CAT4109
Manufacturer	ON Semiconductor
File Size	231.57 KB
Description	3-Channel Constant-Current RGB LED Driver
Datasheet	CAT4109_ONSemiconductor.pdf

CAT4109 Product details

Description

The CAT4109/CAV4109 is a 3 channel constant current LED driver, requiring no inductor.LED channel currents up to 175 mA are programmed independently via separate external resistors.Low output voltage operation of 0.4 V at 175 mA allows for more power efficient designs across wider supply voltage range.The three LED pins are compatible with high voltage up to 25 V supporting applications with long strings of LEDs.Three independent control inputs PWM1, PWM2, PWM3, control respe

Features

3 Independent Current Sinks up to 175 mA rated 25 V.
LED Current Set by External Low Power Control Resistors.
Individual PWM Control per Channel.
Low Dropout Current Source (0.4 V at 175 mA).
Output Enable Input for Dimming.
“Zero” Current Shutdown Mode.
3 V to 5.5 V Logic Supply.
Thermal Shutdown Protection.
16.
lead SOIC Package.
CAV Prefix for Automotive and Other.

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Published: Jun 27, 2009 |