| Parameters | 
                                
                                                                                                            
                                            | Mount | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-SOIC (0.295, 7.50mm Width) | 
                                        
                                                                            
                                            | Number of Pins | 
                                            20 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2003 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            20 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Type | 
                                            Linear | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            TIN LEAD | 
                                        
                                                                            
                                            | Subcategory | 
                                            Display Drivers | 
                                        
                                                                            
                                            | Technology | 
                                            BICMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            240 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            1.27mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            30 | 
                                        
                                                                            
                                            | Base Part Number | 
                                            A6277 | 
                                        
                                                                            
                                            | Pin Count | 
                                            20 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            8 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Operating Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Power Supplies | 
                                            5V | 
                                        
                                                                            
                                            | Number of Channels | 
                                            16 | 
                                        
                                                                            
                                            | Max Supply Voltage | 
                                            5.5V | 
                                        
                                                                            
                                            | Min Supply Voltage | 
                                            4.5V | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            40mA | 
                                        
                                                                            
                                            | Voltage - Output | 
                                            4V | 
                                        
                                                                            
                                            | Topology | 
                                            Shift Register | 
                                        
                                                                            
                                            | Output Current per Channel | 
                                            150mA | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | High Level Output Current | 
                                            -1mA | 
                                        
                                                                            
                                            | Low Level Output Current | 
                                            1mA | 
                                        
                                                                            
                                            | fmax-Min | 
                                            10 MHz | 
                                        
                                                                            
                                            | Number of Segments | 
                                            8 | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            4.5V | 
                                        
                                                                            
                                            | Multiplexed Display Capability | 
                                            NO | 
                                        
                                                                            
                                            | Display Mode | 
                                            SEGMENT | 
                                        
                                                                            
                                            | Data Input Mode | 
                                            SERIAL | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            2.65mm | 
                                        
                                                                            
                                            | Width | 
                                            7.5mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Contains Lead | 
                                        
                                                                                                    
                            
                         
                                                A6277SLWTR Overview
20-SOIC (0.295, 7.50mm Width) saves board space. In this LED driver, there are 8 outputs.As far as mounting is concerned, Surface Mount is adopted.It emerges as a Linear, which is efficient and reliable.It is capable of operating at a temperature of -40°C~85°C TA. For its operation, 20 terminations are designed.It is configured with 20 pins as its base.Undetermined failures may occur when the voltage supply is less than 4.5V.A total of 8 segments are estimated.As you can see, it is mounted by Surface Mount.A6277 is the base part number for this LED driver.5.5V is a reasonable voltage.A 4V volt output voltage is provided by this device.There are 20 pins on it.Additionally, it can be classified as Display Drivers based on its characteristics.The system operates at a minimum supply voltage of 4.5V in order to achieve maximum efficiency.It is necessary to power systems with a voltage of 5VA total of 16 channels are currently available for transmission.
A6277SLWTR Features
Available in the 20-SOIC (0.295, 7.50mm Width) package
Operating temperature of -40°C~85°C TA
Supply voltage of 5V
Operating with the supply voltage of 5V
A6277SLWTR Applications
There are a lot of Allegro MicroSystems A6277SLWTR LED Driver ICs applications. 
- LED Lightings for Industrial Equipment
 - Replacement lamps
 - A- lamps
 - OLED power supply for portable equipment
 - Refrigeration lighting
 - Scanners and Handy Terminals
 - Sports Facility Lighting
 - Flicker-free LED Lighting using R1580N
 - Constant Voltage Power Source for portable equipment
 - Auxiliary lights for on-vehicle cameras