| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            8 Weeks | 
                                        
                                                                            
                                            | Lifecycle Status | 
                                            PRODUCTION (Last Updated: 1 week ago) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            28-WFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Number of Pins | 
                                            28 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2012 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Feature | 
                                            Latched Fault, UVLO | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            28 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Type | 
                                            Hot Swap Controller, OR Controller | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Matte Tin (Sn) | 
                                        
                                                                            
                                            | Applications | 
                                            General Purpose | 
                                        
                                                                            
                                            | Subcategory | 
                                            Power Management Circuits | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.9V~18V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            12V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Base Part Number | 
                                            LTC4228 | 
                                        
                                                                            
                                            | Pin Count | 
                                            28 | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            18V | 
                                        
                                                                            
                                            | Number of Channels | 
                                            2 | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            2.5A | 
                                        
                                                                            
                                            | Adjustable Threshold | 
                                            YES | 
                                        
                                                                            
                                            | Accuracy | 
                                            5 % | 
                                        
                                                                            
                                            | Current - Supply | 
                                            2.5mA | 
                                        
                                                                            
                                            | Supply Current-Max (Isup) | 
                                            5mA | 
                                        
                                                                            
                                            | Nominal Input Voltage | 
                                            12V | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            No | 
                                        
                                                                            
                                            | Programmable Features | 
                                            Current Limit, Fault Timeout, Slew Rate | 
                                        
                                                                            
                                            | Feature Pins | 
                                            CPO1, CPO2, /EN1, /EN2, /FAULT1, /FAULT2, IN1, IN2, INTVCC, ON1, ON2, OUT1, OUT2, /PWERGD1, /PWRGD2, TMR1, TMR2 | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            0.8mm | 
                                        
                                                                            
                                            | Length | 
                                            5mm | 
                                        
                                                                            
                                            | Width | 
                                            4mm | 
                                        
                                                                            
                                            | REACH SVHC | 
                                            No SVHC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                LTC4228IUFD-1#PBF Overview
As part of the 28-WFQFN Exposed Pad package, it is included.Hot-swappable device is currently possible to access 2 channels.Hot-swappable device comes in the shape of a Tube.The 28 terminations total to three.QUAD is the terminal position of the device.The device consists of a total of 28 pins.High efficiency can be achieved when the supply voltage is 12V.The way it's set up is the way Surface Mount wants it.Hot-swappable device is classified as a Hot Swap Controller, OR Controller electrical component.Ensure reliable operation by setting the temperature to -40°C~85°C.There are General Purpose applications on the device.As you can see in Latched Fault, UVLO, it's featured.In the case of a 2.9V~18VV power source, it should work just fine.Hot-swappable device is included in the LTC4228 family of numbers.28 pins are used in operation.This gadget is self-contained in?Power Management Circuits.The programmable features of this device are Current Limit, Fault Timeout, Slew Rate.Presently, there is a limited supply of 2.5mA.18V (maximum supply voltage) is set.There is a maximum supply current of 5mA for its operation.
LTC4228IUFD-1#PBF Features
The terminal position of 28
Features of Latched Fault, UVLO
Programmable features of Current Limit, Fault Timeout, Slew Rate
LTC4228IUFD-1#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4228IUFD-1#PBF hot swap controllers applications. 
- Short-circuit protection in real time
 - Limitting the inrush current 
 - Identify faulty boards
 - Base station power distribution system
 - Supply voltage monitoring
 - Redundant Array of Disks (RAID)
 - Current monitoring
 - Reverse current protection
 - Industrial application
 - Electric vehicle