Datasheet Details
- Part number
- LM3642
- Manufacturer
- Texas Instruments ↗
- File Size
- 962.29 KB
- Datasheet
- LM3642-etcTI.pdf
- Description
- 1.5-A Synchronous Boost LED Flash Driver
LM3642 Description
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3642 SNVS891H * SEPTEMBER 2012 * REVISED S.
The LM3642 is a 4-MHz fixed-frequency synchronous boost converter plus 1.
LM3642 Features
* 1 1.5-A High-Side Current Source for Single LED
* > 85% Efficiency in Torch Mode (at 100 mA) and
Flash Mode (at 1 A to 1.5 A)
* Accurate Programmable Flash LED Current from
93 mA to 1.5 A
* Accurate Programmable Torch LED Currents:
* 48.4 mA to 375 mA
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