CAT3644 Datasheet - Catalyst Semiconductor

CAT3644 4-Channel Ultra High Efficiency Quad-Mode TM 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 tradi * tional 1.5x charge pumps with no added exte.

CAT3644 Features

* High efficiency 1.33x charge pump

* Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x

* Drives up to 4 LEDs at 25mA each

* 1-wire EZDim™ LED current programming

* Power efficiency up to 92%

* Low noise input ripple in all modes

* “Zero” current shut

CAT3644_CatalystSemiconductor.pdf

CAT3644 Datasheet Preview — Preview of CAT3644 PDF

Datasheet Details

Part number:

CAT3644

Manufacturer:

Catalyst Semiconductor

File Size:

318.87 KB

Description:

4-channel ultra high efficiency quad-mode tm led driver.

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TAGS

CAT3644 CAT3644 4-Channel Ultra High Efficiency Quad-Mode LED Driver Catalyst Semiconductor

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