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CAT3648

Part Number	CAT3648
Manufacturer	Catalyst Semiconductor
Description	4-Channel Ultra High Efficiency Quad-Mode LED Driver
Published	Aug 9, 2010
Detailed Description	www.DataSheet4U.com CAT3648 4-Channel Ultra High Efficiency Quad-Mode™ LED Driver with 32 Dimming Levels FEATURES ...
Datasheet	CAT3648 PDF File

Overview

www.
DataSheet4U.
com CAT3648 4-Channel Ultra High Efficiency Quad-Mode™ LED Driver with 32 Dimming Levels 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™ 32 linear steps 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-pad TQFN package DESCRIPTION The CAT3648 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 incre...

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