| PartNumber | IR3843AMTR1PBF | IR3843AMTRPBF |
| Description | Switching Voltage Regulators 3A SupIRBuck Reg 250-1200kHz, 1.5-21V | Switching Voltage Regulators 3A SupIRBuck Reg 250-1200kHz, 1.5-21V |
| Manufacturer | Infineon | Infineon |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | PQFN-EP-15 | PQFN-EP-15 |
| Output Voltage | 0.7 V to 18.9 V | 0.7 V to 18.9 V |
| Output Current | 3 A | 3 A |
| Number of Outputs | 1 Output | 1 Output |
| Input Voltage MAX | 21 V | 21 V |
| Topology | Buck | Buck |
| Input Voltage MIN | 1.5 V | 1.5 V |
| Switching Frequency | 250 kHz to 1.2 MHz | 250 kHz to 1.2 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C |
| Packaging | Reel | Reel |
| Type | Step Down | Step Down |
| Brand | Infineon / IR | Infineon Technologies |
| Moisture Sensitive | Yes | Yes |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 750 | 4000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Tradename | SupIRBuck | SupIRBuck |
| Part # Aliases | SP001530066 | SP001526560 |