| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 30 Weeks | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Feature | PWM Input | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Base Part Number | L9753 | 
                                                                            
                                            | Number of Outputs | 8 | 
                                                                            
                                            | Output Type | N-Channel | 
                                                                            
                                            | Interface | SPI | 
                                                                            
                                            | Output Configuration | High Side or Low Side | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 3V~5V | 
                                                                            
                                            | Switch Type | General Purpose | 
                                                                            
                                            | Ratio - Input:Output | 3:8 | 
                                                                            
                                            | Voltage - Load | 4.5V~18V | 
                                                                            
                                            | Fault Protection | Open Load Detect, Over Temperature, Reverse Current | 
                                                                            
                                            | Rds On (Typ) | 900m Ω | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                L9753CAXPTR Overview
As a result, it is packaged in the form of a Tape & Reel (TR).General Purpose is the switch type that it owns.As a default, the output is set to 8.It uses a supply voltage of 3V~5V to operate.Voltage output is N-Channel volts at maximum.There are PWM Input features available on the LED driving board.I believe it belongs to the L9753 family.
L9753CAXPTR Features
L9753CAXPTR Applications
There are a lot of STMicroelectronics L9753CAXPTR Power Switches ICs applications. 
- Portable Music Players
- Smartphone and PDA
- Portable GPS
- Set-Top Boxes
- Telecom and Network Systems
- USB Protection
- USB Power Distribution
- Portable/Handheld Devices
- PDAs
- Notebook PC