| Parameters | 
                                
                                                                                                            
                                            | Package / Case | 
                                            TSSOP | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Number of Pins | 
                                            28 | 
                                        
                                                                            
                                            | Published | 
                                            2014 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            28 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Tin/Lead (Sn85Pb15) | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.65mm | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Operating Temperature (Max) | 
                                            125°C | 
                                        
                                                                            
                                            | Operating Temperature (Min) | 
                                            -40°C | 
                                        
                                                                            
                                            | Input Voltage-Nom | 
                                            12V | 
                                        
                                                                            
                                            | Temperature Grade | 
                                            AUTOMOTIVE | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            SWITCHING CONTROLLER | 
                                        
                                                                            
                                            | Input Voltage (Min) | 
                                            4.5V | 
                                        
                                                                            
                                            | Control Mode | 
                                            CURRENT-MODE | 
                                        
                                                                            
                                            | Input Voltage (Max) | 
                                            36V | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Switcher Configuration | 
                                            SINGLE | 
                                        
                                                                            
                                            | Switching Frequency-Max | 
                                            1100kHz | 
                                        
                                                                            
                                            | Length | 
                                            9.7mm | 
                                        
                                                                            
                                            | Width | 
                                            4.4mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                LM3431QMHX Overview
As a result of its TSSOP package, it helps to save board space on the board. A termination of 28 is used to operate the LED driver.This LED driver is configured with a base of 28 pins.The circuit is assigned 12V volts when operating.There is -40°C minimum temperature requirement for this device.Working with an input voltage higher than or equal to 4.5V brings great convenience to its operation.It can operate at a temperature of 125°C.Keeping the input voltage below 36V can ensure high stability.This device utilizes  analog IC of SWITCHING CONTROLLER.
LM3431QMHX Features
Available in the TSSOP package
LM3431QMHX Applications
There are a lot of National Semiconductor LM3431QMHX LED Driver ICs applications. 
- Museum lighting
 - Replacement lamps
 - Panel lighting
 - Gallery lighting
 - General lighting
 - LED Lightings for Industrial Equipment
 - A- lamps
 - LED headlights
 - Medical surgery lighting
 - LED backlight driver for LCD displays for Tablets and Note PCs