LM3643A, LM3643 Datasheet - Texas Instruments

Datasheet Details

Part number:

LM3643A, LM3643

Manufacturer:

File Size:

1.39 MB

Description:

Synchronous Boost Dual LED Flash Driver

Note:

This datasheet PDF includes multiple part numbers: LM3643A, LM3643.
Please refer to the document for exact specifications by model.

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, LM3643, Synchronous Boost Dual LED Flash Driver

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 Distributor

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