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LM3553 - 1.2A Dual Flash LED Driver

Texas Instruments

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Datasheet Details

Part number	LM3553
Manufacturer	Texas Instruments
File Size	1.04 MB
Description	1.2A Dual Flash LED Driver
Datasheet	LM3553-etcTI.pdf

LM3553 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 |