LM3553 - 1.2A Dual Flash LED Driver System

National Semiconductor

The LM3553 by National Semiconductor is a 1.2A Dual Flash LED Driver System. Below is the official datasheet preview.

Datasheet Details

Part number	LM3553
Manufacturer	National Semiconductor
File Size	435.91 KB
Description	1.2A Dual Flash LED Driver System
Datasheet	LM3553_NationalSemiconductor.pdf
Additional preview pages of the LM3553 datasheet.

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

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) Programmable.

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Published: Jun 26, 2009 |