LM3646 - 1.5-A Synchronous Boost Converter

Product Overview

Texas Instruments

Part number	LM3646
Manufacturer	Texas Instruments
File Size	1.90 MB
Description	1.5-A Synchronous Boost Converter
Datasheet	LM3646 Datasheet
Additional preview pages of the LM3646 datasheet.

The LM3646 utilizes a 4-MHz fixed-frequency synchronous boost converter to provide power to dual 1.5-A constant current LED sources.

1 High-Side Current Sources Allowing for Grounded LED Cathode for Improved Thermal Management.
> 85% Efficiency in Torch and Flash Modes.
Small Solution Size < 20 mm2.
Accurate and Programmable Flash LED Current from 24 mA to 1.5 A in 11.7-mA Steps.
Accurate and Programmable Torch LED Current from 2.5 mA to 187 mA in 1.5-mA Steps.
Dual 1.5-A High-Side Current Sources for Dual LED Drive.
Hardware Flash and Torch Enables.
Hard.

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Published: Mar 14, 2020 |