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CAT3648 - 4-Channel Ultra High Efficiency Quad-Mode LED Driver

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.

tional 1.5x charge pumps with no added exte

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.

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Datasheet Details

Part number CAT3648
Manufacturer Catalyst Semiconductor
File Size 368.18 KB
Description 4-Channel Ultra High Efficiency Quad-Mode LED Driver
Datasheet download datasheet CAT3648 Datasheet

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Full PDF Text Transcription

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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 increases device efficiency by up to 10% over tradi– tional 1.
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