| Parameters | 
                                
                                                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Base Part Number | 
                                            LTC3870 | 
                                        
                                                                            
                                            | Function | 
                                            Step-Down | 
                                        
                                                                            
                                            | Number of Outputs | 
                                            2 | 
                                        
                                                                            
                                            | Output Type | 
                                            PWM Signal | 
                                        
                                                                            
                                            | Output Configuration | 
                                            Positive | 
                                        
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 
                                            4.5V~60V | 
                                        
                                                                            
                                            | Control Features | 
                                            Current Limit, Enable, Frequency Control, Phase Control, Soft Start | 
                                        
                                                                            
                                            | Topology | 
                                            Buck | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            500kHz | 
                                        
                                                                            
                                            | Synchronous Rectifier | 
                                            No | 
                                        
                                                                            
                                            | Clock Sync | 
                                            Yes | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Factory Lead Time | 
                                            16 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            24-WFQFN Exposed Pad | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~125°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Published | 
                                            2015 | 
                                        
                                                                            
                                            | Series | 
                                            PolyPhase® | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                                                    
                            
                         
                                                LTC3870IUF-1#TRPBF Overview
It comes in the 24-WFQFN Exposed Pad package, which makes switching controller suitable for most applications. dc motor controller is suitable for 2  output generation. Tape & Reel (TR) solid enclosure protects the pmic. PWM Signal dc switching's outputs (s) are supported. Voltages 4.5V~60V are the dc control's supply voltage and operating voltage, respectively. Work well in dc switchers with a -40°C~125°C TJ. A switching controller such as this can switch at a value of 500kHz . dc dc regulators can be carried out with Surface Mount. Current Limit, Enable, Frequency Control, Phase Control, Soft Start provides dcdc regulator efficient switching control. A search for "LTC3870" will reveal other relevant dc to dc converter ics. A dc to dc voltage regulator in the PolyPhase? series, it belongs to this family. 
LTC3870IUF-1#TRPBF Features
PWM Signal Outputs
Switching Frequency: 500kHz
Current Limit, Enable, Frequency Control, Phase Control, Soft Start
LTC3870IUF-1#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LTC3870IUF-1#TRPBF DC to DC converter applications. 
- Network technology
 - Production lines
 - ATMs
 - Low output voltage switching power supply circuits
 - Domestic water pumps
 - Energy management systems
 - Injection molding machinery
 - USB circuits
 - Terrestrial set-top boxes
 - Combined machine tools