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LM3643

Texas Instruments
Part Number LM3643
Manufacturer Texas Instruments
Description Synchronous Boost Dual LED Flash Driver
Published Mar 14, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3643, LM3643A SNVS967A – AUG...
Datasheet PDF File LM3643 PDF File

LM3643
LM3643

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3643, LM3643A SNVS967A – AUGUST 2014 – REVISED NOVEMBER 2014 LM3643 Synchronous Boost Dual LED Flash Driver with 1.
5-A High-Side Current Sources 1 Features •1 1.
5 A Total Allowed LED Current During Operation (ILED1 + ILED2 = 1.
5 A) • Dual Independent LED Current Source Programmability • Accurate and Programmable LED Current Range from 1.
4 mA to 1.
5 A • Optimized Flash LED Current During Low Battery Conditions (IVFM) • > 85% Efficiency in Torch Mode (@ 100 mA) and Flash Mode (@1 A to 1.
5 A) • Grounded Cathode LED Operation for Improved Thermal Management • Small Solution Size: < 16 mm2 • Hardware Stro...


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