| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 16 Weeks | 
                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-SMD, Gull Wing | 
                                                                            
                                            | Number of Pins | 8 | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2001 | 
                                                                            
                                            | Series | TOPSwitch®-II | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Not For New Designs | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 4  (72 Hours) | 
                                                                            
                                            | Number of Terminations | 8 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | PURE MATTE TIN | 
                                                                            
                                            | Max Power Dissipation | 9W | 
                                                                            
                                            | 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 | 
                                                                            
                                            | Number of Outputs | 1 | 
                                                                            
                                            | Output Voltage | 12V | 
                                                                            
                                            | Analog IC - Other Type | SWITCHING REGULATOR | 
                                                                            
                                            | Nominal Supply Current | 1.2mA | 
                                                                            
                                            | Output Power | 6W | 
                                                                            
                                            | Topology | Boost, Buck, Flyback, Forward | 
                                                                            
                                            | Control Mode | VOLTAGE-MODE | 
                                                                            
                                            | Frequency - Switching | 100kHz | 
                                                                            
                                            | Control Technique | PULSE WIDTH MODULATION | 
                                                                            
                                            | Switcher Configuration | BUCK-BOOST | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Temperature | 
                                                                            
                                            | Max Duty Cycle | 70 % | 
                                                                            
                                            | Max Supply Voltage (AC) | 265V | 
                                                                            
                                            | Duty Cycle | 67% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Breakdown | 700V | 
                                                                            
                                            | Min Supply Voltage (AC) | 85V | 
                                                                            
                                            | Height Seated (Max) | 3.73mm | 
                                                                            
                                            | Length | 9.59mm | 
                                                                            
                                            | Width | 6.35mm | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                TOP221GN-TL Overview
An embedded ac to dc converter is included in 8-SMD, Gull Wing  package.The AC/DC power converter type is Tape & Reel (TR) .The AC/DC converter is mounted in the way of Surface Mount .For the ac dc converter to perform at its best, it should be operated at a temperature of -40°C~150°C TJ °C.Analog ICs of type SWITCHING REGULATOR are used in this AC DC converter.As soon as the switching frequency reaches 100kHz , the circuit is closed.There have been 8 terminations of this program.Approximately 8 pins are present on the ac/dc converter.The ac dc converters is suitable for mounting by Surface Mount .This AC to DC converter belongs to the TOPSwitch?-II family of manufacturers.The number of outputs to run is 1 .There is 12V  output voltage from this AC/DC converter.Coverters generate 6W as their output power.A voltage of 85V is the minimum supply voltage across the converter.Across the converter, the maximum supply voltage is 265V .
TOP221GN-TL Features
Packaged with 8-SMD, Gull Wing
Switching Frequency at 100kHz
With 8 pins
TOP221GN-TL Applications
There are a lot of Power Integrations TOP221GN-TL AC DC Converters applications. 
- Set Top Boxes (STB)
- Portable audio
- Dimmers
- Utility meters
- LED Driver
- Standby Power Supply
- Automotive Clusters
- Laptops and personal digital assistants
- Wall switches 
- Standby power supplies for VCR