LM3552, LM3551 - 1A White LED Driver

Name: LM3552
SKU: LM3552-528003

National Semiconductor

📥 Download Datasheet

LM3552 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM3552, LM3551. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	LM3552, LM3551
Manufacturer	National Semiconductor
File Size	756.51 KB
Description	1A White LED Driver
Datasheet	LM3551_NationalSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: LM3552, LM3551. Please refer to the document for exact specifications by model.

LM3552 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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Published: Jan 9, 2006 |