| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            TO-220-3 | 
                                        
                                                                            
                                            | Surface Mount | 
                                            NO | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            1996 | 
                                        
                                                                            
                                            | Series | 
                                            TOPSwitch® | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            3 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Power (Watts) | 
                                            100W | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            35W | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            SINGLE | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Pin Count | 
                                            3 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PSFM-T3 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Output Voltage | 
                                            5.8V | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            SWITCHING REGULATOR | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            1.4mA | 
                                        
                                                                            
                                            | Input Voltage (Min) | 
                                            36V | 
                                        
                                                                            
                                            | Topology | 
                                            Boost, Buck, Flyback, Forward | 
                                        
                                                                            
                                            | Control Mode | 
                                            VOLTAGE-MODE | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            100kHz | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Over Temperature | 
                                        
                                                                            
                                            | Max Duty Cycle | 
                                            70 % | 
                                        
                                                                            
                                            | Max Supply Voltage (AC) | 
                                            265V | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            67% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Either | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Min Supply Voltage (AC) | 
                                            85V | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                TOP203YN Overview
An embedded ac to dc converter is included in TO-220-3  package.The AC/DC power converter is available in Tube .It is mounted in the way of Through Hole .For the ac dc converter to perform properly, it should be operated at a temperature of -40°C~150°C TJ °C.In this AC DC converter, the analog IC type is SWITCHING REGULATOR .As a result, the switching frequency reaches 100kHz .As a result, it has a total of 3  terminations.There are 3   pins on the ac-dc converter.A member of the TOPSwitch? manufacturer family, it has the following characteristics.In this AC to DC transformer, the output voltage is 5.8V .This converter requires a minimum supply voltage of 85V  volts.The maximum supply voltage across the converter is 265V .
TOP203YN Features
Packaged with TO-220-3
Switching Frequency at 100kHz
TOP203YN Applications
There are a lot of Power Integrations TOP203YN AC DC Converters applications. 
- Battery chargers for smart phones 
 - Switching AC-DC Charger
 - White goods
 - Power tools
 - Automotive Clusters
 - White goods
 - Replaces linear transformers 
 - ZigBee
 - Adaptors for Portable Media Player
 - IoT Applications