| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            4 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-SMD (7 Leads), Gull Wing | 
                                        
                                                                            
                                            | Number of Pins | 
                                            7 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2008 | 
                                        
                                                                            
                                            | Series | 
                                            TOPSwitch®-HX | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            4  (72 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            8 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            PURE MATTE TIN | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Subcategory | 
                                            Switching Regulator or Controllers | 
                                        
                                                                            
                                            | Power Rating | 
                                            30W | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            70W | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            250 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            2.54mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            40 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G8 | 
                                        
                                                                            
                                            | Output Voltage | 
                                            700V | 
                                        
                                                                            
                                            | Max Supply Voltage | 
                                            9V | 
                                        
                                                                            
                                            | Min Supply Voltage | 
                                            -300mV | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            ANALOG CIRCUIT | 
                                        
                                                                            
                                            | Output Current | 
                                            5.44A | 
                                        
                                                                            
                                            | Output Power | 
                                            41W | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Control Mode | 
                                            VOLTAGE-MODE | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            66kHz | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Over Temperature, Over Voltage | 
                                        
                                                                            
                                            | Max Duty Cycle | 
                                            78 % | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Width | 
                                            6.35mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                TOP257GN-TL Overview
In the package 8-SMD (7 Leads), Gull Wing , the ac to dc converter is embedded.In Tape & Reel (TR) case, the ac dc converter is available.The AC/DC converter is mounted in the way of Surface Mount .The ac dc converter needs to be operated at -40°C~150°C TJ °C in order to perform.In this AC DC converter, the analog IC type is ANALOG CIRCUIT .66kHz is the switching frequency.There are a total of 8  terminations.On the ac/dc converter, there are 7  pins.It are possible to mount thare ac dc converters by Surface Mount .It belongs to a manufacturer family of TOPSwitch?-HX .Switching Regulator or Controllers includes the ac to dc conversions.Current output is set to 5.44A .The output voltage of the AC/DC converter is 700V .It is assumed that a coverter generates 41W as its output power.AC to DC converter can work with the minimum supply voltage of -300mV .
TOP257GN-TL Features
Packaged with 8-SMD (7 Leads), Gull Wing
Switching Frequency at 66kHz
With 7 pins
Output Current at 5.44A 
TOP257GN-TL Applications
There are a lot of Power Integrations TOP257GN-TL AC DC Converters applications. 
- Battery chargers for smart phones 
 - Adapters
 - Battery Chargers
 - Standby power supplies for TV
 - Battery chargers for media tablets
 - LED Driver
 - Off--line Battery Charger
 - Humidifier
 - IoT Applications
 - Remotely-controlled appliances