| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 4 Weeks | 
                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 12-BESOP (0.350, 8.89mm Width), 11 Leads, Exposed Pad | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2014 | 
                                                                            
                                            | Series | LinkSwitch™-HP | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Number of Terminations | 11 | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Power Rating | 20W | 
                                                                            
                                            | Max Power Dissipation | 39W | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Terminal Pitch | 1.78mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 40 | 
                                                                            
                                            | JESD-30 Code | R-PDSO-G11 | 
                                                                            
                                            | Analog IC - Other Type | ANALOG CIRCUIT | 
                                                                            
                                            | Topology | Flyback | 
                                                                            
                                            | Frequency - Switching | 120kHz~136kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | 
                                                                            
                                            | Duty Cycle | 64% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Breakdown | 650V | 
                                                                            
                                            | Height Seated (Max) | 2.49mm | 
                                                                            
                                            | Length | 10.16mm | 
                                                                            
                                            | Width | 8.89mm | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                LNK6664K Overview
12-BESOP (0.350, 8.89mm Width), 11 Leads, Exposed Pad is the package in which the ac to dc converter is embedded.In Tube case, the ac dc converter is available.There is a AC/DC converter mounted in the way of Surface Mount .It is recommended that the ac dc converter be operated at a temperature of -40°C~150°C TJ in order to ensure its performance.In this AC DC converter, an analog integrated circuit (IC) of type ANALOG CIRCUIT is employed.In this AC to DC transformer, the switching frequency is 120kHz~136kHz .As a result, it has had 11  terminations.The ac dc converters are suitable to mount by Surface Mount .A member of the LinkSwitch?-HP manufacturer family, it has the following characteristics.
LNK6664K Features
Packaged with 12-BESOP (0.350, 8.89mm Width), 11 Leads, Exposed Pad
Switching Frequency at 120kHz~136kHz
LNK6664K Applications
There are a lot of Power Integrations LNK6664K AC DC Converters applications. 
- Standby Power for General Off-Line Applications 
- Set Top Boxes (STB)
- Z-Wave
- USB-PD 2.0 
- SMPS house keeping power supplies
- AC?DC USB chargers for Tablets 
- MPS parts
- AC/DC LED Driver applications
- Universal input AC/DC adapters (15W - 45W)
- AC/DC Adaptors/Chargers for Cell Phones