| Parameters | 
                                                                                                            
                                            | Mfr | Monolithic Power Systems Inc. | 
                                                                            
                                            | Series | Automotive, AEC-Q100 | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Function | Step-Down | 
                                                                            
                                            | Output Configuration | Positive | 
                                                                            
                                            | Topology | Buck | 
                                                                            
                                            | Output Type | Adjustable | 
                                                                            
                                            | Number of Outputs | 1 | 
                                                                            
                                            | Voltage - Input (Min) | 3.3V | 
                                                                            
                                            | Voltage - Input (Max) | 45V | 
                                                                            
                                            | Voltage - Output (Min/Fixed) | 0.815V | 
                                                                            
                                            | Voltage - Output (Max) | 42.75V | 
                                                                            
                                            | Current - Output | 6A | 
                                                                            
                                            | Frequency - Switching | 350kHz ~ 1MHz | 
                                                                            
                                            | Synchronous Rectifier | Yes | 
                                                                            
                                            | Operating Temperature | -40°C ~ 150°C (TJ) | 
                                                                            
                                            | Mounting Type | Surface Mount, Wettable Flank | 
                                                                            
                                            | Package / Case | 20-PowerVFQFN | 
                                                                            
                                            | Supplier Device Package | 20-QFN (4x4) | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | Other Names | 1589-MPQ4436BGRE-ZTR | 
                                                                            
                                            | Standard Package | 5,000 | 
                                                                                                    
                            
                         
                                                Buck Switching Regulator IC Positive Adjustable 0.815V 1 Output 6A 20-PowerVFQFN