| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            14 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            7-SSIP, 6 Leads, Exposed Pad, Formed Leads | 
                                        
                                                                            
                                            | Number of Pins | 
                                            7 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2013 | 
                                        
                                                                            
                                            | Series | 
                                            LYTSwitch™-4 | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Frequency | 
                                            132kHz | 
                                        
                                                                            
                                            | Number of Channels | 
                                            1 | 
                                        
                                                                            
                                            | Power Dissipation | 
                                            78W | 
                                        
                                                                            
                                            | Max Supply Current | 
                                            4mA | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback, Step-Down (Buck), Step-Up (Boost) | 
                                        
                                                                            
                                            | Min Input Voltage | 
                                            85V | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            140kHz | 
                                        
                                                                            
                                            | Max Input Voltage | 
                                            132V | 
                                        
                                                                            
                                            | Output Current per Channel | 
                                            9A | 
                                        
                                                                            
                                            | Interface IC Type | 
                                            LED DISPLAY DRIVER | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Dimming | 
                                            TRIAC | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            99.9% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            725V | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                LYT4318E Overview
This ac to dc converter is embedded in package 7-SSIP, 6 Leads, Exposed Pad, Formed Leads .In Tube case, the ac dc converter is available.As you can see, this AC/DC converter 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.At this point, the switching frequency reaches 140kHz .In this ac/dc converter, there are 7  pins.Through Hole is the recommended mounting method for the ac dc converters.The AC to DC converter belongs to the manufacturer family of LYTSwitch?-4 .A high efficiency is achieved when operating at a frequency of 132kHz .There is a possibility of powering the AC to DC converter under a voltage of 132V .It is possible to use the AC to DC inverter with an input voltage less than 85V  V.There is a maximum current limAC to DC converter of 4mA for the supply.Currently, there are 1 channels available.This AC to DC power supply is classified as LED DISPLAY DRIVER in terms of its interface IC type.
LYT4318E Features
Packaged with 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Switching Frequency at 140kHz
With 7 pins
With 1 channels on it
Interface IC Type : LED DISPLAY DRIVER
LYT4318E Applications
There are a lot of Power Integrations LYT4318E AC DC Converters applications. 
- Portable Apparatus
 - Auxiliary Power Supplies
 - Set -Top Box (STB) Power Supply
 - Industrial controls
 - Vacuum Cleaner
 - Battery Chargers
 - Adaptors for Portable Media Player
 - Adaptors for DSCs
 - AC/DC Adaptors/Chargers for E-books
 - Open Frame Switching Power Supply