LTC3454 - 1A Synchronous Buck-Boost High Current LED Driver

Linear Technology

LTC3454 Datasheet Preview — Preview of LTC3454 PDF

Datasheet Details

Part number	LTC3454
Manufacturer	Linear ↗ Technology
File Size	176.74 KB
Description	1A Synchronous Buck-Boost High Current LED Driver
Datasheet	LTC3454_LinearTechnology.pdf

LTC3454 Product details

Description

The LTC®3454 is a synchronous buck-boost DC/DC converter optimized for driving a single high power LED at currents up to 1A from a single cell Li-Ion battery input.

Features

n High Efﬁciency: >90% Typical in Torch Mode, >80% in Flash Mode n Wide VIN Range: 2.7V to 5.5V n Up to 1A Continuous Output Current n 3.5% LED Current Programming Accuracy n Internal Soft-Start n Open/Shorted LED Protection n Constant Frequency 1MHz Operation n Zero Shutdown Current n Overtemperature Protection n Small Thermally Enhanced 10-Lead (3mm × 3mm) DFN Package.

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Published: Apr 18, 2010 |