LM3644TT, LM3644 Datasheet - Texas Instruments

Datasheet Details

Part number:

LM3644TT, LM3644

Manufacturer:

File Size:

1.44 MB

Description:

Dual 1.5-A Current Source Camera Flash LED Driver

Note:

This datasheet PDF includes multiple part numbers: LM3644TT, LM3644.
Please refer to the document for exact specifications by model.

Features

* 1 Dual Independent 1.5-A LED Current Source Programmability

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

* Torch Currents up to 360 mA (LM3644TT)

* Flash Timeout Values up to 1.6 seconds (LM3644TT)

* Optimized Flash LED Current During Lo

LM3644TT, LM3644, Dual 1.5-A Current Source Camera Flash LED Driver

The LM3644 is a dual LED flash driver that provides a high level of adjustability within a small solution size.

The LM3644 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 dual 128 level current sources provide

LM3644TT Distributor

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