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CAT4101

Part Number	CAT4101
Manufacturer	ON Semiconductor
Description	1A Constant-Current LED Driver
Published	Jun 27, 2009
Detailed Description	CAT4101 1 A Constant-Current LED Driver with PWM Dimming Description The CAT4101 is a constant−current sink driving a ...
Datasheet	CAT4101 PDF File

Overview

CAT4101 1 A Constant-Current LED Driver with PWM Dimming Description The CAT4101 is a constant−current sink driving a string of high−brightness LEDs up to 1 A with very low dropout of 0.
5 V at full load.
It requires no inductor, provides a low noise operation and minimizes the number of components.
The LED current is set by an external resistor connected to the RSET pin.
The LED pin is compatible with high voltage up to 25 V, allowing the driving of long strings of LEDs.
The device ensures an accurate and regulated current in the LEDs independent of supply and LED forward voltage variation.
The PWM/EN input allows the device shutdown and the LED brightness adjustment by using an external p...

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