| Parameters | 
                                
                                                                                                            
                                            | Topology | 
                                            Switched Capacitor (Charge Pump) | 
                                        
                                                                            
                                            | Current - Output / Channel | 
                                            25mA | 
                                        
                                                                            
                                            | Interface IC Type | 
                                            LED DISPLAY DRIVER | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Number of Segments | 
                                            4 | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            5.5V | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            2.5V | 
                                        
                                                                            
                                            | Multiplexed Display Capability | 
                                            NO | 
                                        
                                                                            
                                            | Data Input Mode | 
                                            SERIAL | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            0.8mm | 
                                        
                                                                            
                                            | Length | 
                                            3mm | 
                                        
                                                                            
                                            | Width | 
                                            3mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            16-WFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Series | 
                                            QUAD-Mode® | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            16 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            MATTE TIN | 
                                        
                                                                            
                                            | Applications | 
                                            Backlight | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.6V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            unknown | 
                                        
                                                                            
                                            | Frequency | 
                                            800kHz~1.6MHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            40 | 
                                        
                                                                            
                                            | Pin Count | 
                                            16 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-XQCC-N16 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            4 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Voltage - Output | 
                                            7V | 
                                        
                                                                                                    
                            
                         
                                                CAT3644HV3-T2 Overview
To save space on the board, it has a 16-WFQFN Exposed Pad package. LED drivers designed using this technology use 4 outputs.This mounting method is Surface Mount.-40°C~85°C TA is the operating temperature of the led driver.There are considerable benefits for Backlight.A frequency of 800kHz~1.6MHz is used to operate it.It operates using 16 terminations.It is possible for undetermined failures to occur if the voltage supply falls below 2.5V.We estimate that there are 4 segments.The output voltage of the device is 7V.On it, there are 16 pins.It is designed to support a maximum value of 5.5V.An LED driver belonging to the QUAD-Mode? series is an essential component in a wide range of applications.This part is equipped with an interface IC marked with LED DISPLAY DRIVER.
CAT3644HV3-T2 Features
Available in the 16-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 800kHz~1.6MHz
Supply voltage of 3.6V
CAT3644HV3-T2 Applications
There are a lot of Rochester Electronics, LLC CAT3644HV3-T2 LED Driver ICs applications. 
- A- lamps
 - Ultraviolet (UV) and Infrared (IR) Irradiation Devices
 - Power source for accessories such as car audios, car navigation systems, and ETC systems
 - Museum lighting
 - LED Lighting PFCs, Linear Dimmable
 - Replacement lamps
 - OLED power supply for portable equipment
 - Down lights
 - Dimmable LED for vehicle interiors
 - Industrial LED Lighting: Image Recognition Devices