| Parameters | 
                                
                                                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-DIP (0.300, 7.62mm) | 
                                        
                                                                            
                                            | Number of Pins | 
                                            20 | 
                                        
                                                                            
                                            | Weight | 
                                            4.535924g | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~125°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            20 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Technology | 
                                            BCDMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            14.5V~19.5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            2.54mm | 
                                        
                                                                            
                                            | Frequency | 
                                            80kHz | 
                                        
                                                                            
                                            | Base Part Number | 
                                            L4981 | 
                                        
                                                                            
                                            | Pin Count | 
                                            20 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            1 | 
                                        
                                                                            
                                            | Output Voltage | 
                                            7.5V | 
                                        
                                                                            
                                            | Input Voltage-Nom | 
                                            18V | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            POWER FACTOR CONTROLLER | 
                                        
                                                                            
                                            | Power Dissipation | 
                                            1W | 
                                        
                                                                            
                                            | Output Current-Max | 
                                            2A | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            100kHz | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Switcher Configuration | 
                                            SINGLE | 
                                        
                                                                            
                                            | Mode | 
                                            Average Current | 
                                        
                                                                            
                                            | Current - Startup | 
                                            100μA | 
                                        
                                                                            
                                            | Height | 
                                            6.35mm | 
                                        
                                                                            
                                            | Length | 
                                            25.4mm | 
                                        
                                                                            
                                            | Width | 
                                            6.35mm | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | REACH SVHC | 
                                            No SVHC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                E-L4981A Overview
This product comes in a 20-DIP (0.300, 7.62mm) package.A Tube-packaging method was used to package it.Mounting type Through Hole describes the device.The voltage supply of 14.5V~19.5V should be used to operate it.At -40°C~125°C, the device operates.In addition to POWER FACTOR CONTROLLER, the part has other types of ICs.There are a number of 20 terminals on the gadget.100μA represents the startup current.Pin 20 remains the component's pin number.In terms of its best part, the device has a number of L4981.There is a switching frequency of 100kHz.There are 20 pins in this board, which make up its sum.With a frequency of 80kHz, it can continue to operate with good accuracy as long as it has a frequency of 80kHz.A part of Mount Through Hole makes up this mountain.At the most, it works with 2A output currentA 1 output can take many forms, depending on the application.The output of 7.5V can be used to operate it.
E-L4981A Features
E-L4981A Applications
There are a lot of STMicroelectronics E-L4981A PFC PMICs applications. 
- Raspberry Pi
 - LCD backlight
 - Smart manufacturing
 - Switching regulator
 - Communication device 
 - Fuel injector
 - Motor controllers
 - Pumps
 - Vibration sensor
 - TVS diodes