| Parameters | 
                                
                                                                                                            
                                            | Max Power Dissipation | 
                                            47W | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            2.54mm | 
                                        
                                                                            
                                            | Frequency | 
                                            66kHz | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDIP-T7 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            1 | 
                                        
                                                                            
                                            | Output Voltage | 
                                            700V | 
                                        
                                                                            
                                            | Max Output Current | 
                                            2.08A | 
                                        
                                                                            
                                            | Min Supply Voltage | 
                                            36V | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            ANALOG CIRCUIT | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            1.3mA | 
                                        
                                                                            
                                            | Output Power | 
                                            20W | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Min Input Voltage | 
                                            85V | 
                                        
                                                                            
                                            | Control Mode | 
                                            VOLTAGE-MODE | 
                                        
                                                                            
                                            | Max Input Voltage | 
                                            265V | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Over Temperature, Over Voltage | 
                                        
                                                                            
                                            | Max Duty Cycle | 
                                            78 % | 
                                        
                                                                            
                                            | Max Supply Voltage (AC) | 
                                            265V | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            78% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Max Input Voltage (AC) | 
                                            265V | 
                                        
                                                                            
                                            | Min Supply Voltage (AC) | 
                                            85V | 
                                        
                                                                            
                                            | Height | 
                                            3.68mm | 
                                        
                                                                            
                                            | Length | 
                                            9.83mm | 
                                        
                                                                            
                                            | Width | 
                                            6.6mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | REACH SVHC | 
                                            No SVHC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            4 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-DIP (0.300, 7.62mm), 7 Leads | 
                                        
                                                                            
                                            | Number of Pins | 
                                            8 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2009 | 
                                        
                                                                            
                                            | Series | 
                                            TOPSwitch®-HX | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            7 | 
                                        
                                                                            
                                            | Termination | 
                                            Through Hole | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            PURE MATTE TIN | 
                                        
                                                                            
                                            | Power (Watts) | 
                                            28W | 
                                        
                                                                            
                                            | Additional Feature | 
                                            SEATED_HT CALCULATED | 
                                        
                                                                            
                                            | Subcategory | 
                                            Switching Regulator or Controllers | 
                                        
                                                                            
                                            | Power Rating | 
                                            47W | 
                                        
                                                                                                    
                            
                         
                                                TOP254PN Overview
It is embedded in package 8-DIP (0.300, 7.62mm), 7 Leads .The ac dc converter is available in Tube  case.This AC/DC converter is mounted in the way of Through Hole .To deliver its performance, the ac dc converter should be operated at a temperature of -40°C~150°C TJ .A ANALOG CIRCUIT analog integrated circuit is used in this AC DC converter.There are a total of 7 terminations in it.The ac/dc converter has a total of 8 pins.There are no problem mounting the ac dc converters by Through Hole .The product is acdc converter of the TOPSwitch?-HX  manufacturer family.There are 1  outputs to be run.Switching Regulator or Controllers contains the ac to dc conversions.There is 700V  output voltage from this AC/DC converter.This power AC DC is capable of reaching high efficiencies when operating at a frequency of 66kHz .You can read the standard of REACH SVHC : No SVHC .It is available to power the AC to DC converter input voltage under 265V .In the AC to DC transformer of a coverter, the output power generated is 20W .Using this ACDC converter, SEATED_HT CALCULATED is also accessible.The AC to DC inverter can be used with an input voltage of less than 85V  V.There is a minimum supply voltage of 85V  across the converter.This converter can operate at a maximum supply voltage of 265V .AC to DC power converters should be able to accept input voltages (AC) below 265V .If the supply voltage is set to 36V , then it can operate.
TOP254PN Features
Packaged with 8-DIP (0.300, 7.62mm), 7 Leads
With 8 pins
TOP254PN Applications
There are a lot of Power Integrations TOP254PN AC DC Converters applications. 
- AC?DC USB chargers for Cameras
 - Appliances
 - MPS parts
 - AC?DC USB chargers for Cell Phones
 - WiFi Wireless
 - Air Conditioning
 - Standby Power Supply
 - Standby and Auxiliary Power Supplies Set Top Boxes (STB)
 - Battery chargers for cordless
 - Low power ac?dc Adapters for Chargers