CAT3603 driver equivalent, 3-channel led driver.
* Drives up to 3 LEDs
* Current Setting Resistor
* Compatible with Supply Voltage of 3 V to 5.5 V
* Power Efficiency up to 91%
* Output Current up to .
An external resistor, RSET, controls the output current level. The device can deliver up to 30 mA over an input voltage.
The CAT3603 is a charge pump LED driver operating in either 1x (LDO) mode or 1.5x fractional mode regulating current through each of the 3 LED pins. Operation at a constant switching frequency of 1 MHz allows the use of very small value ceramic capac.
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