4-Channel Ultra High Efficiency Quad-Mode™ LED Driver

The CAT3644 is a high efficiency Quad-Mode fractional Charge Pump that CAN drive up to four 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 capacitors.
By Catalyst Semiconductor
CAT3644 's PackagesCAT3644 's pdf datasheet

CAT3644 Pinout, Pinouts
CAT3644 pinout,Pin out
This is one package pinout of CAT3644,If you need more pinouts please download CAT3644's pdf datasheet.

CAT3644 Application circuits
CAT3644 circuits
This is one application circuit of CAT3644,If you need more circuits,please download CAT3644's pdf datasheet.

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CAT3644 Pb-Free CAT3644 Cross Reference CAT3644 Schematic CAT3644 Distributor
CAT3644 Application Notes CAT3644 RoHS CAT3644 Circuits CAT3644 footprint