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

Name: LM3543
SKU: LM3543-49890

National Semiconductor

📥 Download Datasheet

LM3543 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM3543, LM3. Please refer to the document for exact specifications by model.

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.

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 |