| Parameters | 
                                
                                                                                                            
                                            | Lifecycle Status | 
                                            ACTIVE (Last Updated: 5 days ago) | 
                                        
                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            TO-261-4, TO-261AA | 
                                        
                                                                            
                                            | Number of Pins | 
                                            4 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2006 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            4 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Tin (Sn) | 
                                        
                                                                            
                                            | Power (Watts) | 
                                            40W | 
                                        
                                                                            
                                            | Subcategory | 
                                            Switching Regulator or Controllers | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            40W | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            2.3mm | 
                                        
                                                                            
                                            | Frequency | 
                                            44kHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            40 | 
                                        
                                                                            
                                            | Base Part Number | 
                                            NCP1054 | 
                                        
                                                                            
                                            | Pin Count | 
                                            4 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            1 | 
                                        
                                                                            
                                            | Input Voltage-Nom | 
                                            8V | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            SWITCHING REGULATOR | 
                                        
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 
                                            7.5V~10V | 
                                        
                                                                            
                                            | Input Voltage (Min) | 
                                            7.5V | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Control Mode | 
                                            VOLTAGE-MODE | 
                                        
                                                                            
                                            | Output Current-Max | 
                                            2A | 
                                        
                                                                            
                                            | Input Voltage (Max) | 
                                            8.5V | 
                                        
                                                                            
                                            | Halogen Free | 
                                            Halogen Free | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Switcher Configuration | 
                                            SINGLE | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Open Loop, Over Load, Over Temperature | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            77% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Voltage - Start Up | 
                                            8.5V | 
                                        
                                                                            
                                            | Height | 
                                            1.57mm | 
                                        
                                                                            
                                            | Length | 
                                            6.5mm | 
                                        
                                                                            
                                            | Width | 
                                            3.5mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            19 Weeks | 
                                        
                                                                                                    
                            
                         
                                                NCP1054ST44T3G Overview
The ac to dc converter is embedded in TO-261-4, TO-261AA  package.Tape & Reel (TR) case is available for the ac dc 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 .In this AC DC converter, the analog IC type is SWITCHING REGULATOR .As long as the supply voltage (Vcc/Vdd) is within the range of 7.5V~10V , the AC/DC converter may be used.There are a total of 4 terminations in it.On the ac/dc converter, there are 4  pins.The pins of the ac-dc converter total to 4  .Surface Mount are the recommended mounting method for the ac dc converters.Based on the NCP1054 family, you can search for similar acdc converters.There are 1  outputs to be processed.The ac to dc conversions can be found in Switching Regulator or Controllers .This power AC DC is capable of reaching high efficiencies when operating at a frequency of 44kHz .Unique techniques can be used to ensure input voltage at the maximum value of 8.5V .Ac to dc inverters can be supplied with a maximum current of 2A .
NCP1054ST44T3G Features
Packaged with TO-261-4, TO-261AA
With 4 pins
NCP1054ST44T3G Applications
There are a lot of ON Semiconductor NCP1054ST44T3G AC DC Converters applications. 
- Appliances
 - Laptops
 - Adapter/Charger for Cell
 - Portable Apparatus
 - DVD players
 - Smartphones
 - Adapters for Handheld Electronics
 - Standby power supplies for TV
 - Appliance Power Supplies
 - AC?DC USB chargers for Cameras