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LM3552, LM3551 Datasheet - National Semiconductor

LM3552 1A White LED Driver

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. The LM3551 and LM3552 can drive one or more high curr.

LM3552 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 packa

LM3551_NationalSemiconductor.pdf

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

Part number:

LM3552, LM3551

Manufacturer:

National Semiconductor

File Size:

756.51 KB

Description:

1a white led driver.

Note:

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

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TAGS

LM3552 LM3551 White LED Driver National Semiconductor

LM3552 Distributor