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LM3642 Datasheet - Texas Instruments

LM3642 1.5-A Synchronous Boost LED Flash Driver

The LM3642 is a 4-MHz fixed-frequency synchronous boost converter plus 1.5-A constant current driver for a high-current white LED. The high-side current source allows for grounded cathode LED operation providing Flash current up to 1.5 A. An adaptive regulation method ensures the current source rema.

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

LM3642-etcTI.pdf

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Datasheet Details

Part number:

LM3642

Manufacturer:

Texas Instruments ↗

File Size:

962.29 KB

Description:

1.5-a synchronous boost led flash driver.

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TAGS

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

LM3642 Distributor