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LM3553 Datasheet - National Semiconductor

LM3553 1.2A Dual Flash LED Driver System

The LM3553 is a fixed frequency, current mode step-up DC/ DC converter with two regulated current sinks. The device is capable of driving loads up to 1.2A from a single-cell Li-Ion battery. One or more high current flash LEDs can be driven in series either in a high power Flash mode or a lower power.

LM3553 Features

* 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 D

LM3553 Datasheet (435.91 KB)

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Datasheet Details

Part number:

LM3553

Manufacturer:

National Semiconductor

File Size:

435.91 KB

Description:

1.2a dual flash led driver system.

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TAGS

LM3553 1.2A Dual Flash LED Driver System National Semiconductor

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