Part number:
CAT3643
Manufacturer:
Catalyst Semiconductor
File Size:
342.86 KB
Description:
3-channel ultra high efficiency quad-mode tm led driver.
CAT3643_CatalystSemiconductor.pdf
Datasheet Details
Part number:
CAT3643
Manufacturer:
Catalyst Semiconductor
File Size:
342.86 KB
Description:
3-channel ultra high efficiency quad-mode tm led driver.
CAT3643, 3-Channel Ultra High Efficiency Quad-Mode TM LED Driver
The CAT3643 is a high efficiency quad-mode fractional charge pump that can drive up to three LEDs programmable by a one wire digital interface.
The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to 10% over traditional 1.5x charge pumps with no added external capa
CAT3643 Features
* High efficiency 1.33x charge pump
* Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x
* Drives up to 3 LEDs at 32mA each
* 1-wire EZDim™ LED current programming
* Power efficiency up to 92%
* Low noise input ripple in all modes
* “Zero” current shut
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