| Parameters | 
                                
                                                                                                            
                                            | Subcategory | 
                                            Power Management Circuits | 
                                        
                                                                            
                                            | Technology | 
                                            BICMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            -48V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            9.5V | 
                                        
                                                                            
                                            | Base Part Number | 
                                            UCC3921 | 
                                        
                                                                            
                                            | Pin Count | 
                                            8 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G8 | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            9V | 
                                        
                                                                            
                                            | Number of Channels | 
                                            1 | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            2mA | 
                                        
                                                                            
                                            | Adjustable Threshold | 
                                            YES | 
                                        
                                                                            
                                            | Current - Supply | 
                                            1mA | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            No | 
                                        
                                                                            
                                            | Programmable Features | 
                                            Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault | 
                                        
                                                                            
                                            | Feature Pins | 
                                            CT, IMAX, PL, SDFLTCH | 
                                        
                                                                            
                                            | Length | 
                                            4.9mm | 
                                        
                                                                            
                                            | Width | 
                                            3.9mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Contains Lead | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-SOIC (0.154, 3.90mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Weight | 
                                            72.603129mg | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Feature | 
                                            UVLO | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | 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 | 
                                        
                                                                                                    
                            
                         
                                                UCC3921D/81143 Overview
Package 8-SOIC (0.154, 3.90mm Width) includes it.Currently, there are 1 channels accessible.Tube-shaped packaging is used.This device has a total of 8 terminations.A device's terminal position is DUAL.The device has a total of 8 pins.Hot-swappable device is possible to achieve high efficiency wHot-swappable deviceh a supply voltage of 9.5V.Surface Mount is set up this way.In electrical components, Hot Swap Controller is the classification.For reliable operation, set the temperature to 0°C~70°C.There are General Purpose applications on the device.A feature of UVLO describes it.As long as you have a -48VV power source, it should work.UCC3921 numbers belong to this family.This gadget is self-contained in?Power Management Circuits.Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault features are programmable.Currently, 1mA is in short supply.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. 
- Industrial computers and servers
 - Other forms of communications infrastructure
 - Power supply hotswap & inrush control
 - Remote access server
 - Hard drive
 - Reverse current protection
 - Telecom server
 - Servers
 - Overvoltage protection
 - Power monitoring