LM3551 - 1A White LED Driver

Product Overview

National Semiconductor

Datasheet Details

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

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
LM3501 - Synchronous Step-up DC/DC Converter
LM3502 - Step-Up Converter
LM3503 - Dual-Display Constant Current LED Driver
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Published: Jan 9, 2006 |