UCC3921D/81143 Overview

This is included in the 8-SOIC (0.154, 3.90mm Width) package.At present, 1 channels are available.It's packaged in a Tube shape.Total terminations are 8.Device position DUAL is its terminal position.In total, there are 8 pins on it.A supply voltage of 9.5V can result in high efficiency.According to Surface Mount, it has been set up.Electric components of this type are classified as Hot Swap Controller.For reliable operation, set the temperature to 0°C~70°C.Application General Purpose is available on the device.As you can see in UVLO, it's featured.The device should be able to be powered by a -48VV power source.There are numbers in the UCC3921 family that include it.There are Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault features that can be programmed.In the present, there is a shortage of 1mA.Hot-swappable device is important that the supply voltage (Vsup) is kept above 9V for normal operation of the device.

UCC3921D/81143 Features

The terminal position of 8
Features of UVLO
Programmable features of Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault

UCC3921D/81143 Applications

There are a lot of Texas Instruments
UCC3921D/81143 hot swap controllers applications.

• Avionics systems
• Safe board insertion and extraction
• Industrial computers and servers
• Redundant-array-of-independent-disk (RAID) storage
• Other forms of communications infrastructure
• Board or blade insertion into live backplanes
• Backplane
• Loads
• Distributed power systems
• Redundant negative voltage supplies