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CAT4004A

Part Number	CAT4004A
Manufacturer	ON Semiconductor
Description	Constant Current LED Driver
Published	Oct 20, 2016
Detailed Description	Constant Current LED Driver with 32 Dimming Levels and Rset CAT4002A, CAT4004A Description The CAT4002A and CAT4004A pr...
Datasheet	CAT4004A PDF File

Overview

Constant Current LED Driver with 32 Dimming Levels and Rset CAT4002A, CAT4004A Description The CAT4002A and CAT4004A provide respectively two and four matched low dropout current sources to drive LEDs.
The CAT400XA uses an external resistor RSET to set 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 setting the LED channel current with 32 linear dimming levels.
LEDs can be powered directly from a Lithium−ion battery due to the low dropout (50 mV at 20 mA) cur...

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