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LM3553 - 1.2A Dual Flash LED Driver

Texas Instruments

The LM3553 by Texas Instruments is a 1.2A Dual Flash LED Driver. Below is the official datasheet preview.

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LM3553 1.2A Dual Flash LED Driver by Texas Instruments - Datasheet Preview — Official preview page of the LM3553 1.2A Dual Flash LED Driver datasheet (Texas Instruments).

Datasheet Details

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

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 |