LM3551 - 1A White LED Driver

National Semiconductor

The LM3551 by National Semiconductor is a 1A White LED Driver. Below is the official datasheet preview.

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LM3551 1A White LED Driver by National Semiconductor - Datasheet Preview — Official preview page of the **LM3551** 1A White LED Driver datasheet (National Semiconductor).

Datasheet Details

Part number	LM3551
Manufacturer	National Semiconductor
File Size	756.51 KB
Description	1A White LED Driver
Datasheet	LM3551_NationalSemiconductor.pdf
Additional preview pages of the LM3551 datasheet.

LM3551 Product details

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.

Features

n n n n n n n n n 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 LLP14 (4mm x 4mm).

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Other Datasheets by National Semiconductor

LM3552 - 1A White LED Driver
LM3557 - Step-Up Converter
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LM3502 - Step-Up Converter
LM3503 - Dual-Display Constant Current LED Driver
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Published: Jan 9, 2006 |