LM3543, LM3 - Triple Port USB Power Distribution Switch and Over-Current Protection

National Semiconductor

The LM3543 by National Semiconductor is a Triple Port USB Power Distribution Switch and Over-Current Protection. Below is the official datasheet preview.

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LM3543 Triple Port USB Power Distribution Switch and Over-Current Protection by National Semiconductor - Datasheet Preview — Official preview page of the **LM3543** Triple Port USB Power Distribution Switch and Over-Current Protection datasheet (National Semiconductor).

Datasheet Details

Part number	LM3543, LM3
Manufacturer	National Semiconductor
File Size	316.06 KB
Description	Triple Port USB Power Distribution Switch and Over-Current Protection
Datasheet	LM3-543.pdf
Note	This datasheet PDF includes multiple part numbers: LM3543, LM3. Please refer to the document for exact specifications by model.
Additional preview pages of the LM3543 datasheet.

LM3543 Product details

Description

The LM3543 is a triple high-side power switch that is an excellent choice for use in Root, Self-Powered and Bus-Powered USB (Universal Serial Bus) Hubs.

Features

of the LM3543 include current foldback to reduce power consumption in current overload conditions, thermal shutdown to prevent device failure caused by high-current overheating, and undervoltage lockout to keep switches from operating if the input voltage is below acceptable levels. Features n n n n n n n n n n n n 90mΩ (typ. ) High-Side MOSFET Switch 500mA Continuous Current per Port 7 ms Fault Flag Delay Filters Hot-Plug Events Industry Standard Pin Order Short Circuit Protection with Power-Sa.

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Published: Mar 22, 2005 |