LM3544 Quad Port USB Power Distribution Switch and Over-Current Protection

National Semiconductor

Description

LM3544 Quad Port USB Power Distribution Switch and Over-Current Protection April 2005 LM3544 Quad Port USB Power Distribution Switch and Over-Curr.
The LM3544 is a quad high-side power switch that is an excellent choice for use in Root, Self-Powered and BusPowered USB (Universal Serial Bus) Hubs.

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Datasheet Specifications

Part number: LM3544
Manufacturer: National Semiconductor
File Size: 769.04 KB
Datasheet: LM3544-NationalSemiconductor.pdf
Description: Quad Port USB Power Distribution Switch and Over-Current Protection

Features

* of the LM3544 include current foldback to reduce power consumption in current overload conditions, thermal shutdown to prevent device failure caused by highcurrent overheating, and undervoltage lockout to keep switches from operating if the input voltage is below acceptable levels. Features n Compa

Applications

* n USB Root, Self-Powered, and Bus-Powered Hubs n USB Devices such as Monitors and Printers n General Purpose High Side Switch Applications 10120832 Functional Diagram 10120833 © 2005 National Semiconductor Corporation DS101208 10120801 www. national. com LM3544 Connection Diagrams LM3544-H 16-Pi

LM3544 Distributors

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LM3544 Quad Port USB Power Distribution Switch and Over-Current Protection National Semiconductor

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