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

Catalyst Semiconductor

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
Datasheet	CAT3644_CatalystSemiconductor.pdf

CAT3644 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.

📁 CAT3644 Similar Datasheet

CAT3647 - 3-Channel Ultra High Efficiency LED Driver (ON Semiconductor)
CAT3648 - 4-Channel Ultra High Efficiency LED Driver (ON Semiconductor)
CAT3649 - 6-Channel LED Driver (ON Semiconductor)
CAT3603 - 3-Channel LED Driver (ON Semiconductor)
CAT3604 - 4-Channel Regulated Charge Pump White LED Driver (ON Semiconductor)
CAT3604A - 4-Channel Regulated Charge Pump White LED Driver (ON Semiconductor)
CAT3604V - 4-Channel LED Driver (ON Semiconductor)
CAT3612 - Programmable 300 mA Camera Flash LED Driver (ON Semiconductor)

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
CAT3636 - 6-Channel LED Driver

Published: Apr 18, 2007 |