| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 10-SOIC (0.154, 3.90mm Width), Fused Leads | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Power (Watts) | 15W | 
                                                                            
                                            | Analog IC - Other Type | SWITCHING CONTROLLER | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 25V | 
                                                                            
                                            | Control Features | Soft Start | 
                                                                            
                                            | Topology | Flyback | 
                                                                            
                                            | Frequency - Switching | 72kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Temperature, Over Voltage, Short Circuit | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Breakdown | 800V | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                IW1820-33 Overview
In the 10-SOIC (0.154, 3.90mm Width), Fused Leads package, the ac to dc converter is embedded.You can get it in AC/DC power converter Tape & Reel (TR) .As you can see, this AC/DC converter is 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 °C in order to achieve its full performance.SWITCHING CONTROLLER analog ICs are employed in this AC DC converter.The switching frequency reaches 72kHz .The AC/DC converter is capable of being used when the supply voltage is 25V  (Vcc/Vdd).
IW1820-33 Features
Packaged with 10-SOIC (0.154, 3.90mm Width), Fused Leads
Switching Frequency at 72kHz
IW1820-33 Applications
There are a lot of Dialog Semiconductor GmbH IW1820-33 AC DC Converters applications. 
- Industrial controls
- Standby and Auxiliary Power Supplies 
- Records
- Wireless System
- Adapter/Charger for  Cordless Phones
- DVD players
- Off--line Battery Charger
- Battery Chargers
- Switching AC-DC Adapter
- USB-PD 2.0