| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-SOIC (0.154, 3.90mm Width) | 
                                                                            
                                            | Operating Temperature | -40°C~105°C TA | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Base Part Number | ISL6842 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 8.8V~18V | 
                                                                            
                                            | Control Features | Frequency Control | 
                                                                            
                                            | Topology | Boost, Buck, Flyback | 
                                                                            
                                            | Frequency - Switching | Up to 2MHz | 
                                                                            
                                            | Internal Switch(s) | No | 
                                                                            
                                            | Fault Protection | Current Limiting | 
                                                                            
                                            | Duty Cycle | 96% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Start Up | 14.3V | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                ISL6842IB-T Overview
8-SOIC (0.154, 3.90mm Width) is the package in which the ac to dc converter is embedded.Tape & Reel (TR) case is available for the ac dc converter.In this case, the 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~105°C TA in order to ensure its performance.As soon as the switching frequency reaches Up to 2MHz , the circuit is closed.The AC/DC converter is capable of being used when the supply voltage is 8.8V~18V  (Vcc/Vdd).The ISL6842 family can be used to search for similar acdc converters.
ISL6842IB-T Features
Packaged with 8-SOIC (0.154, 3.90mm Width)
Switching Frequency at Up to 2MHz
ISL6842IB-T Applications
There are a lot of Renesas Electronics America Inc. ISL6842IB-T AC DC Converters applications. 
- Standby power supplies for IR
- Adaptors for Portable Media Player
- Battery chargers for mobile devices with touchpad display 
- Standby power
- AC?DC USB chargers for Tablets 
- MPS parts
- Low power ac?dc Adapters for Chargers
- Universal Off-Line Power Supplies
- Laptops and personal digital assistants
- Adapter/Charger for  Cordless Phones