| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            12 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-SOIC (0.154, 3.90mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -55°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            8 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Nickel/Palladium/Gold (Ni/Pd/Au) | 
                                        
                                                                            
                                            | Subcategory | 
                                            Peripheral Drivers | 
                                        
                                                                            
                                            | Technology | 
                                            BCD | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            10V~18V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            15V | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Base Part Number | 
                                            L9857 | 
                                        
                                                                            
                                            | Pin Count | 
                                            8 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G8 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Input Type | 
                                            Non-Inverting | 
                                        
                                                                            
                                            | Rise / Fall Time (Typ) | 
                                            100ns 100ns | 
                                        
                                                                            
                                            | Interface IC Type | 
                                            HALF BRIDGE BASED PERIPHERAL DRIVER | 
                                        
                                                                            
                                            | Channel Type | 
                                            Single | 
                                        
                                                                            
                                            | Number of Drivers | 
                                            1 | 
                                        
                                                                            
                                            | Turn On Time | 
                                            0.3 µs | 
                                        
                                                                            
                                            | Driven Configuration | 
                                            High-Side | 
                                        
                                                                            
                                            | Gate Type | 
                                            N-Channel MOSFET | 
                                        
                                                                            
                                            | Current - Peak Output (Source, Sink) | 
                                            500mA 500mA | 
                                        
                                                                            
                                            | Turn Off Time | 
                                            0.2 µs | 
                                        
                                                                            
                                            | Built-in Protections | 
                                            UNDER VOLTAGE | 
                                        
                                                                            
                                            | High Side Voltage - Max (Bootstrap) | 
                                            300V | 
                                        
                                                                            
                                            | Output Current Flow Direction | 
                                            SOURCE | 
                                        
                                                                            
                                            | Length | 
                                            4.9mm | 
                                        
                                                                            
                                            | Width | 
                                            3.9mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                L9857-TR-LF Overview
The 8-SOIC (0.154, 3.90mm Width) package offers greater flexibility.A packaging method of Tape & Reel (TR) is used.Configuration is supported by 1 drivers.Surface Mount is mounted in the way.Using a 10V~18V supply voltage, gate drivers is capable of demonstrating Gate driverss superiorGate driversy.Gate type N-Channel MOSFET has been used in its design.The allowable temperature range that this device can be operated in is -55°C~150°C TJ.Non-Inverting is used as the input type.As a result of its configuration, it contains a maximum of 8 terminations.Mosfet driver contains a variety of related parts under Mosfet drivers base part number L9857.Mosfet driver is specifically designed to opeate wMosfet driverh a supply voltage of 15V.Mosfet driver employs an interface chip called HALF BRIDGE BASED PERIPHERAL DRIVER as Mosfet drivers interface chip.Mosfet driver includes a number of useful electronic components in Mosfet drivers subcategory of Peripheral Drivers.The board has a total of 8 component pins.Maximum (Bootstrap) voltage is 300V.
L9857-TR-LF Features
Embedded in the Tape & Reel (TR) package
1 drivers
Employing a gate type of N-Channel MOSFET
High-side voltage - Max (Bootstrap) of 300V
L9857-TR-LF Applications
There are a lot of STMicroelectronics L9857-TR-LF gate drivers applications. 
- 48 V to 12 V PoL Converters, 48 V to Low Voltage Bus Converter,
 - Portable computers
 - 3-Phase Motor Inverter Driver
 - Portable Navigation Devices
 - RGB applications
 - DC-DC Converters
 - Industrial motor drives - compact, standard, premium, servo drives
 - General Purpose 3-Phase Inverter
 - Power factor correction (PFC) circuits
 - Telecom switch mode power supplies