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LM3642 - 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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1.5-A Synchronous Boost LED Flash Driver Texas Instruments
Texas Instruments LM3642-like datasheet