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LM3556

1.5-A Synchronous Boost LED Flash Driver

LM3556 Features

* 1 Grounded Cathode LED Operation for Improved Thermal Management

* 1.5-A High-Side Current Source for Single LED

* Accurate and Programmable LED Current from 46.9 mA to 1.5 A

* > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A)

* Smal

LM3556 General Description

The LM3556 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.

LM3556 Datasheet (1.18 MB)

Preview of LM3556 PDF

Datasheet Details

Part number:

LM3556

Manufacturer:

Texas Instruments ↗

File Size:

1.18 MB

Description:

1.5-a synchronous boost led flash driver.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3556 SNVS796D

* AUGUST 2011

* REVISED OCTO.

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TAGS

LM3556 1.5-A Synchronous Boost LED Flash Driver Texas Instruments

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