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

Product Overview

Catalyst Semiconductor

Datasheet Details

Part number	CAT3644
Manufacturer	Catalyst Semiconductor
File Size	318.87 KB
Description	4-Channel Ultra High Efficiency Quad-Mode TM LED Driver
Datasheet	CAT3644 Datasheet
Additional preview pages of the CAT3644 datasheet.

Product details

Description

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. tional 1.5x charge pumps with no added external capacitors.

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 shutdown mode.
Soft start and current limiting.
Short circuit protection.
Thermal shutdown protection.
3mm x 3mm, 16-lead TQFN package.

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Other Datasheets by Catalyst Semiconductor

CAT3643 - 3-Channel Ultra High Efficiency Quad-Mode TM LED Driver
CAT3606 - 6-Channel Low Noise Charge Pump White LED Driver
CAT3614 - 4-Channel 1-Wire LED
CAT3616 - 6-Channel Charge Pump LED Driver
CAT3626 - 6-Channel LED Driver
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Published: Apr 18, 2007 |