| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-SOIC (0.154, 3.90mm Width) | 
                                                                            
                                            | Supplier Device Package | 8-SOIC | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2005 | 
                                                                            
                                            | Part Status | Discontinued | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Base Part Number | MIC38HC42 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 9V~20V | 
                                                                            
                                            | Control Features | Frequency Control | 
                                                                            
                                            | Topology | Boost, Buck, Flyback, Forward | 
                                                                            
                                            | Frequency - Switching | 500kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Duty Cycle | 96% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Start Up | 14.5V | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                MIC38HC42BM-TR Overview
This ac to dc converter is embedded in package 8-SOIC (0.154, 3.90mm Width) .It is available in Tape & Reel (TR)  AC/DC power converter.Surface Mount mounts this AC/DC converter.To deliver its performance, the ac dc converter should be operated at a temperature of -40°C~150°C TJ .As soon as the switching frequency reaches 500kHz , the circuit is closed.A range of 9V~20V supply voltages (Vcc/Vdd) can be used.Similar acdc converters can be found using the MIC38HC42  family.There is 8-SOIC  package provided with it.
MIC38HC42BM-TR Features
Packaged with 8-SOIC (0.154, 3.90mm Width)
Switching Frequency at 500kHz
MIC38HC42BM-TR Applications
There are a lot of Microchip Technology MIC38HC42BM-TR AC DC Converters applications. 
- MP3
- Power adapters for network devices 
- AC/DC LED Driver applications
- Power adapters for monitors
- Battery chargers for cellular phones
- Wireless System
- Networking
- Switching AC-DC Charger
- AC/DC Adaptors/Chargers for Cordless Phone
- Records