CAT3644 4-Channel Ultra High Efficiency Quad-Mode TM LED Driver

Catalyst Semiconductor

Description

CAT3644 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.

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Datasheet Specifications

Part number: CAT3644
Manufacturer: Catalyst Semiconductor
File Size: 318.87 KB
Datasheet: CAT3644_CatalystSemiconductor.pdf
Description: 4-Channel Ultra High Efficiency Quad-Mode TM LED Driver

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 Distributors

📁 Related Datasheet

CAT3647 CAT3648 CAT3649 CAT3603 CAT3604 CAT3604A

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

Catalyst Semiconductor CAT3644-like datasheet