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UCC3921D/81143G4

UCC3921D/81143G4

UCC3921D/81143G4

Texas Instruments

Tube Obsolete 1 Surface Mount Hot Swap Controllers 1mA mA UVLO 8-SOIC (0.154, 3.90mm Width) 1 General Purpose Hot Swap Controller

SOT-23

UCC3921D/81143G4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface MountYES
Weight 72.603129mg
Operating Temperature0°C~70°C
PackagingTube
JESD-609 Code e4
Feature UVLO
Pbfree Code yes
Part StatusObsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 8
ECCN Code EAR99
Type Hot Swap Controller
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Applications General Purpose
Voltage - Supply -48V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 9.5V
Base Part Number UCC3921
Pin Count8
JESD-30 Code R-PDSO-G8
Supply Voltage-Min (Vsup) 9V
Number of Channels 1
Nominal Supply Current2mA
Adjustable Threshold YES
Current - Supply 1mA
Internal Switch(s) No
Programmable FeaturesAuto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault
Feature Pins CT, IMAX, PL, SDFLTCH
Length 4.9mm
Width 3.9mm
RoHS StatusROHS3 Compliant
Lead Free Contains Lead
In-Stock:1705 items

UCC3921D/81143G4 Product Details

UCC3921D/81143G4 Overview


You get it with the 8-SOIC (0.154, 3.90mm Width) package.Currently, 1 channels can be accessed.Hot-swappable device comes in the shape of a Tube.Hot-swappable device terminates wHot-swappable deviceh 8 in total.Device DUAL is in the terminal position.Total number of pins is 8.High efficiency can be achieved with a voltage supply of 9.5V.The way it's set up is the way Surface Mount wants it.In electrical components, Hot Swap Controller is the classification.If you want reliable performance, you should set the temperature to 0°C~70°C.Hot-swappable device has General Purpose applications.There is a reference to it in UVLO.If the power source is -48VV, it should work fine.Hot-swappable device is included in the UCC3921 family of numbers.Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault features are programmable.Presently, 1mA is in short supply.To ensure normal operation, the supply voltage (Vsup) must be kept above 9V.

UCC3921D/81143G4 Features


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


UCC3921D/81143G4 Applications


There are a lot of Texas Instruments
UCC3921D/81143G4 hot swap controllers applications.


  • Electric vehicle
  • 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

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