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LM3643A

Synchronous Boost Dual LED Flash Driver

LM3643A Features

* 1 1.5 A Total Allowed LED Current During Operation (ILED1 + ILED2 = 1.5 A)

* Dual Independent LED Current Source Programmability

* Accurate and Programmable LED Current Range from 1.4 mA to 1.5 A

* Optimized Flash LED Current During Low Battery Conditions (IVFM)

LM3643A General Description

The LM3643 is a dual LED flash driver that provides a high level of adjustability within a small solution size. The LM3643 utilizes a 2-MHz or 4-MHz fixedfrequency synchronous boost converter to provide power to the dual 1.5-A constant current LED sources. The total LED current the LM3643 boost can .

LM3643A Datasheet (1.39 MB)

Preview of LM3643A PDF

Datasheet Details

Part number:

LM3643A

Manufacturer:

Texas Instruments ↗

File Size:

1.39 MB

Description:

Synchronous boost dual led flash driver.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3643, LM3643A SNVS967A

* AUGUST 2014

* REV.

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LM3643A Synchronous Boost Dual LED Flash Driver Texas Instruments

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