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CAT3637 - 6-Channel Programmable High Efficiency Quad-Mode LED Driver

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.

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.

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Datasheet Details

Part number CAT3637
Manufacturer Catalyst Semiconductor
File Size 315.74 KB
Description 6-Channel Programmable High Efficiency Quad-Mode LED Driver
Datasheet download datasheet CAT3637 Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com CAT3637 6-Channel Programmable High Efficiency Quad-Mode™ LED Driver 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 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 10% over traditional 1.
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