| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-SOIC (0.154, 3.90mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Feature | 
                                            Fault Timeout, Latched Fault, Thermal Limit | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            8 | 
                                        
                                                                            
                                            | Type | 
                                            Hot Swap Controller | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            MATTE TIN | 
                                        
                                                                            
                                            | Applications | 
                                            -48V | 
                                        
                                                                            
                                            | Technology | 
                                            BICMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            -80V~-20V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            48V | 
                                        
                                                                            
                                            | Pin Count | 
                                            8 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G8 | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            80V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            20V | 
                                        
                                                                            
                                            | Number of Channels | 
                                            1 | 
                                        
                                                                            
                                            | Adjustable Threshold | 
                                            YES | 
                                        
                                                                            
                                            | Current - Supply | 
                                            700μA | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            No | 
                                        
                                                                            
                                            | Programmable Features | 
                                            Circuit Breaker, Current Limit, OVP, UVLO | 
                                        
                                                                            
                                            | Feature Pins | 
                                            OV, PWRGD, UV | 
                                        
                                                                            
                                            | Length | 
                                            4.9mm | 
                                        
                                                                            
                                            | Width | 
                                            3.9mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                MAX5939FESA+ Overview
This is included in the 8-SOIC (0.154, 3.90mm Width) package.Currently, 1 channels can be accessed.The package resembles a Tube.Hot-swappable device terminates wHot-swappable deviceh 8 in total.Device DUAL is located at the terminal position.In total, there are 8 pins on it.High efficiency is possible at a voltage of 48V.The way it's set up is the way Surface Mount wants it.Hot-swappable device is classified as a Hot Swap Controller electrical component.A temperature setting of -40°C~85°C will ensure reliable operation.Devices with -48V applications are available.As you can see in Fault Timeout, Latched Fault, Thermal Limit, it's featured.Hot-swappable device should work if you use a -80V~-20VV power source.The programmable features of this device are Circuit Breaker, Current Limit, OVP, UVLO.Hot-swappable device is estimated that there is a current supply of 700μA.The supply voltage (Vsup) should be kept above 20V for normal operation.Vsup (maximum supply voltage) is set to 80V.
MAX5939FESA+ Features
The terminal position of 8
Features of Fault Timeout, Latched Fault, Thermal Limit
Programmable features of Circuit Breaker, Current Limit, OVP, UVLO
MAX5939FESA+ Applications
There are a lot of Rochester Electronics, LLC MAX5939FESA+ hot swap controllers applications. 
- Datacom
 - Active current limit
 - Automotive circuits
 - Temperature monitor output
 - Server backplane system
 - Remote access server
 - Supply voltage monitoring
 - Firewire
 - Avionics systems
 - Electric vehicle