| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 8 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 40-WFQFN Exposed Pad | 
                                                                            
                                            | Operating Temperature | -40°C~125°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2011 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Type | DC DC Controller | 
                                                                            
                                            | Applications | Backlight, Signage | 
                                                                            
                                            | Frequency | 200kHz~1MHz | 
                                                                            
                                            | Base Part Number | LT3745 | 
                                                                            
                                            | Pin Count | 40 | 
                                                                            
                                            | Number of Outputs | 16 | 
                                                                            
                                            | Voltage - Output | 36V | 
                                                                            
                                            | Topology | Step-Down (Buck) | 
                                                                            
                                            | Current - Output / Channel | 75mA | 
                                                                            
                                            | Internal Switch(s) | No | 
                                                                            
                                            | Dimming | PWM | 
                                                                            
                                            | Voltage - Supply (Max) | 55V | 
                                                                            
                                            | Voltage - Supply (Min) | 6V | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LT3745IUJ#PBF Overview
Board space is saved by its 40-WFQFN Exposed Pad package.A LED driver using this design has 16 outputs.In order to mount the led light driver, Surface Mount is used.In this case, it emerges as a DC DC Controller with a high efficiency.-40°C~125°C TJ is the operating temperature and it works fine.There are significant benefits for Backlight, Signage.It operates on the basis of the frequency of 200kHz~1MHz.Under 6V voltage supply, undetermined failures may occur.The base part number for this LED driver is LT3745.There is a voltage output of 36V.A device with 40 pins is available.An optimal value of supply voltage is 55V.
LT3745IUJ#PBF Features
Available in the 40-WFQFN Exposed Pad package
Operating temperature of -40°C~125°C TJ
Frequency of 200kHz~1MHz
LT3745IUJ#PBF Applications
There are a lot of Linear Technology/Analog Devices LT3745IUJ#PBF LED Driver ICs applications. 
- Constant Voltage Power Source for portable equipment
- LED backlight driver for LCD displays for portable equipment
- Panel lighting
- General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
- LED Lightings for Industrial Equipment
- Auxiliary lights for on-vehicle cameras
- Medical surgery lighting
- Dimmable LED for vehicle interiors
- Gallery lighting
- Architectural lighting