Part Number
|
LM3644TT |
Manufacturer
|
Texas Instruments |
Description
|
Dual 1.5-A Current Source Camera Flash LED Driver |
Published
|
Mar 14, 2020 |
Detailed Description
|
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LM3644, LM3644TT
SNVSA52E – AU...
|
Datasheet
|
LM3644TT
|
Overview
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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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