| Part Number | IR3847MTRPBF | IR3840MTRPBF | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 1.5V | 1.5V | 
| Voltage - Input (Max) | 21V | 16V | 
| Voltage - Output (Min/Fixed) | 0.6V | 0.7V | 
| Voltage - Output (Max) | 18.06V | 14.4V | 
| Current - Output | 25A | 12A | 
| Frequency - Switching | 300kHz ~ 1.5MHz | 225kHz ~ 1.65MHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 33-PowerVFQFN | 15-PowerVQFN | 
| Supplier Device Package | PQFN (5x6) | PQFN (5x6) |