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LM3644

Texas Instruments
Part Number LM3644
Manufacturer Texas Instruments
Description Dual 1.5-A Current Source Camera Flash LED Driver
Published Mar 14, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3644, LM3644TT SNVSA52E – AU...
Datasheet PDF File LM3644 PDF File

LM3644
LM3644

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3644, LM3644TT SNVSA52E – AUGUST 2014 – REVISED SEPTEMBER 2016 LM3644 Dual 1.
5-A Current Source Camera Flash LED Driver 1 Features •1 Dual Independent 1.
5-A LED Current Source Programmability • Accurate and Programmable LED Current Range from 1.
4 mA to 1.
5 A • Torch Currents up to 360 mA (LM3644TT) • Flash Timeout Values up to 1.
6 seconds (LM3644TT) • Optimized Flash LED Current During Low Battery Conditions (IVFM) • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.
5 A) • Grounded Cathode LED Operation for Improved Thermal Management • Small Solution Size: < 16 mm2 • Hardware St...


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