LM3551 Datasheet PDF (1A White LED Driver) | Download Texas Instruments LM3551

LM3551 - 1A White LED Driver

Description

The LM3551 and LM3552 are fixed frequency, current mode step-up DC/DC converters with two integrated NFETs that can be used for precision LED brightness control.

The devices are capable of driving loads up to 1A from a single-cell Li-Ion battery.

Features

1.
2 Up to 1A Total Drive Current.
Flash Timeout Protection.
Independent Torch/Flash/Shutdown Modes.
LED Disconnect in Shutdown.
Programmable Soft-Start Limits Inrush Current.
Over-Voltage Protection.
Wide Voltage Range 2.7 to 5.5V.
1.25MHz Constant Switching Frequency.
Small, Low Profile Package, Non-Pullback WSON(4mm x 4mm).

Datasheet Details

Part number	LM3551
Manufacturer	Texas Instruments
File Size	1.23 MB
Description	1A White LED Driver
Datasheet	LM3551 Datasheet
Additional preview pages of the LM3551 datasheet.

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Full PDF Text Transcription

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LM3551, LM3552 www.ti.com SNVS371D – AUGUST 2005 – REVISED MAY 2013 LM3551 /LM3552 1A White LED Driver with Flash Timeout Protection Check for Samples: LM3551, LM3552 FEATURES 1 •2 Up to 1A Total Drive Current • Flash Timeout Protection • Independent Torch/Flash/Shutdown Modes • LED Disconnect in Shutdown • Programmable Soft-Start Limits Inrush Current • Over-Voltage Protection • Wide Voltage Range 2.7 to 5.5V • 1.

Published: Aug 21, 2019 |