CAT3637 - 6-Channel Programmable High Efficiency Quad-Mode LED Driver
Catalyst Semiconductor
General Description
The CAT3637 is a high efficiency Quad-Mode fractional charge pump that can drive up to six LEDs programmable by a 1-wire digital interface.
Key Features
High efficiency 1.33x charge pump Quad-Mode charge pump: 1x, 1.33x, 1.5x, 2x Drives 6 LEDs between 30mA and 0mA each 1-wire EZDimTM interface with 2mA step 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 Tiny 3mm x 3mm, 16-pad TQFN package.
Full PDF Text Transcription for CAT3637 (Reference)
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CAT3637. For precise diagrams, and layout, please refer to the original PDF.
www.DataSheet4U.com CAT3637 6-Channel Programmable High Efficiency Quad-Mode™ LED Driver FEATURES High efficiency 1.33x charge pump Quad-Mode charge...
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High efficiency 1.33x charge pump Quad-Mode charge pump: 1x, 1.33x, 1.5x, 2x Drives 6 LEDs between 30mA and 0mA each 1-wire EZDimTM interface with 2mA step 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 Tiny 3mm x 3mm, 16-pad TQFN package DESCRIPTION The CAT3637 is a high efficiency Quad-Mode fractional charge pump that can drive up to six LEDs programmable by a 1-wire digital interface. The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to
CAT3637 Datasheet
