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LM3553 - 1.2A Dual Flash LED Driver

Product Overview

Texas Instruments

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LM3553 1.2A Dual Flash LED Driver by Texas Instruments - Datasheet Preview — Datasheet preview – LM3553

Datasheet Details

Part number	LM3553
Manufacturer	Texas Instruments
File Size	1.04 MB
Description	1.2A Dual Flash LED Driver
Datasheet	LM3553 Datasheet
Additional preview pages of the LM3553 datasheet.

Product details

Description

The LM3553 is a fixed frequency, current mode stepup DC/DC converter with two regulated current sinks.

Features

1.
2 Accurate and Programmable LED Current up to 1.2A in 128 Steps.
Total Solution Size < 30mm2.
90% Peak Efficiency.
Drives 2 LEDs in Series with 1.2A from 5V Input.
Drives 2 LEDs in Series with 600mA from 3.0V Input.
Drives 1 LED with 1.2A from 3.0V Input.
Adjustable Over-Voltage Protection Allows for Single or Series LED Operation.
Four Operating Modes: Torch, Flash, Indicator, and Voltage Mode (4.98V).
Programmab.

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Published: Jun 15, 2020 |