| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            16-TSSOP (0.173, 4.40mm Width) Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~125°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            16 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Type | 
                                            DC DC Controller | 
                                        
                                                                            
                                            | Applications | 
                                            Backlight | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            12V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.65mm | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            compliant | 
                                        
                                                                            
                                            | Frequency | 
                                            1MHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G16 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            8 | 
                                        
                                                                            
                                            | Topology | 
                                            Step-Up (Boost) | 
                                        
                                                                            
                                            | Current - Output / Channel | 
                                            200mA | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | fmax-Min | 
                                            1 MHz | 
                                        
                                                                            
                                            | Dimming | 
                                            PWM | 
                                        
                                                                            
                                            | Number of Segments | 
                                            4 | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            40V | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            4.75V | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1.2mm | 
                                        
                                                                            
                                            | Length | 
                                            5mm | 
                                        
                                                                            
                                            | Width | 
                                            4.4mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                IS31BL3555-ZLS4 Overview
The 16-TSSOP (0.173, 4.40mm Width) Exposed Pad package conserves board space. LED drivers use 8 outputs for their design.The mounting method is Surface Mount.When it emerges as a DC DC Controller, it shows high-performance and reliability.It is able to work normally at the operating temperature of -40°C~125°C.Backlight benefits significantly from the program.Based on the frequency of 1MHz, it operates on the basis of a pulse.In this case, the terminations are set to 16.It is possible for undetermined failures to occur if the voltage supply falls below 4.75V.It is estimated that there are 4 segments.This device is optimized to deliver a maximum voltage level of 40V.
IS31BL3555-ZLS4 Features
Available in the 16-TSSOP (0.173, 4.40mm Width) Exposed Pad package
Operating temperature of -40°C~125°C
Frequency of 1MHz
Supply voltage of 12V
IS31BL3555-ZLS4 Applications
There are a lot of ISSI, Integrated Silicon Solution Inc IS31BL3555-ZLS4 LED Driver ICs applications. 
- Down lights
 - LED Lightings for Inspection Devices 
 - Panel lighting
 - Museum lighting
 - Down lighting
 - Architectural lighting
 - General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
 - High-end retail lighting
 - Power source for accessories such as car audios, car navigation systems, and ETC systems
 - Stage Lighting and Signage