| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            6 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            TO-262-7 (Formed Leads), 6 Leads | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2005 | 
                                        
                                                                            
                                            | Series | 
                                            TOPSwitch®-GX | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Not For New Designs | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            6 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            PURE MATTE TIN | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Subcategory | 
                                            Switching Regulator or Controllers | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            45W | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            ZIG-ZAG | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            1.27mm | 
                                        
                                                                            
                                            | Pin Count | 
                                            3 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PZIP-T6 | 
                                        
                                                                            
                                            | Output Voltage | 
                                            12V | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            SWITCHING REGULATOR | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            1.6mA | 
                                        
                                                                            
                                            | Control Features | 
                                            Frequency Control | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Control Mode | 
                                            VOLTAGE-MODE | 
                                        
                                                                            
                                            | Output Current-Max | 
                                            1.44A | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            66kHz~132kHz | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Switcher Configuration | 
                                            SINGLE | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Over Temperature, Over Voltage | 
                                        
                                                                            
                                            | Max Duty Cycle | 
                                            83 % | 
                                        
                                                                            
                                            | Max Supply Voltage (AC) | 
                                            265V | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            66.5% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Min Supply Voltage (AC) | 
                                            85V | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            15.1mm | 
                                        
                                                                            
                                            | Length | 
                                            10.29mm | 
                                        
                                                                            
                                            | Width | 
                                            4.435mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                TOP243FN Overview
A ac to dc converter of the package TO-262-7 (Formed Leads), 6 Leads contains the ac to dc converter.In Tube AC/DC power converter, it is available.Through Hole mounts this AC/DC converter.It is necessary to operate the ac dc converter at a temperature of -40°C~150°C TJ °C in order for it to perform properly.Analog ICs of type SWITCHING REGULATOR are used in this AC DC converter.66kHz~132kHz is the switching frequency.There are a total of 6  terminations.There are 3  pins in total.The ac dc converters are suitable for mounting by Through Hole .The product is acdc converter of the TOPSwitch?-GX  manufacturer family.The ac to dc conversions are contained in Switching Regulator or Controllers .It produces a voltage of 12V .Ac to dc inverters can be powered by up to 1.44A current.A minimum voltage supply across the converter is 85V .This converter can operate at a maximum supply voltage of 265V .
TOP243FN Features
Packaged with TO-262-7 (Formed Leads), 6 Leads
Switching Frequency at 66kHz~132kHz
TOP243FN Applications
There are a lot of Power Integrations TOP243FN AC DC Converters applications. 
- Appliance Power Supplies
 - Shaver Charger
 - Adapter/Charger for Cell
 - Power tools
 - Replacements for bulky plug-in transformers
 - Records
 - Set-top boxes
 - Standby Power Supply
 - Power Adaptors
 - Rice Cooker