| Parameters | 
                                
                                                                                                            
                                            | Type | 
                                            Power Switch | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Nickel/Palladium/Gold (Ni/Pd/Au) | 
                                        
                                                                            
                                            | Applications | 
                                            Backlight | 
                                        
                                                                            
                                            | Subcategory | 
                                            Display Drivers | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.65mm | 
                                        
                                                                            
                                            | Frequency | 
                                            25MHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            30 | 
                                        
                                                                            
                                            | Base Part Number | 
                                            PCA9634 | 
                                        
                                                                            
                                            | Pin Count | 
                                            20 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G20 | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            8 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Power Supplies | 
                                            2.5/5V | 
                                        
                                                                            
                                            | Current - Output / Channel | 
                                            25mA | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | fmax-Min | 
                                            1 MHz | 
                                        
                                                                            
                                            | Dimming | 
                                            I2C | 
                                        
                                                                            
                                            | Number of Segments | 
                                            8 | 
                                        
                                                                            
                                            | Voltage - Supply (Max) | 
                                            5.5V | 
                                        
                                                                            
                                            | Voltage - Supply (Min) | 
                                            2.3V | 
                                        
                                                                            
                                            | Multiplexed Display Capability | 
                                            NO | 
                                        
                                                                            
                                            | Data Input Mode | 
                                            SERIAL | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1.1mm | 
                                        
                                                                            
                                            | Length | 
                                            6.5mm | 
                                        
                                                                            
                                            | Width | 
                                            4.4mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            10 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            20-TSSOP (0.173, 4.40mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2003 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1 (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            20 | 
                                        
                                                                                                    
                            
                         
                                                PCA9634PW,118 Overview
The 20-TSSOP (0.173, 4.40mm Width) package is used for saving board space. As part of the design of this LED driver, there are  8 outputs that have been used.The mounting method is Surface Mount.In this case, it emerges as a Power Switch with a high efficiency.It is capable of working normally at -40°C~85°C TA.Backlight has significant advantages.The frequency of 25MHz determines how it operates.For its operation, terminations with a value of 0 are used.There may be undetermined failures if the voltage supply falls below 2.3V.A total of 8 segments are estimated.A base part number of PCA9634 is associated with this LED driver.In addition, it has 20 pins.There is an optimization that allows a maximum supply voltage of 5.5V.According to its characteristics, it is also categorized into Display Drivers.
PCA9634PW,118 Features
Available in the 20-TSSOP (0.173, 4.40mm Width) package
Operating temperature of -40°C~85°C TA
Frequency of 25MHz
Supply voltage of 3.3V
PCA9634PW,118 Applications
There are a lot of NXP USA Inc. PCA9634PW,118 LED Driver ICs applications. 
- Constant Voltage Power Source for portable equipment
 - LED Lightings for Industrial Equipment
 - Refrigeration lighting
 - LED headlights
 - OLED power supply for portable equipment
 - Gallery lighting
 - Museum lighting
 - Panel lighting
 - Portable lighting
 - Scanners and Handy Terminals