| PartNumber | IR3846MTRPBF | IR3843AMTR1PBF | IR3847MTR1PBF |
| Description | Switching Voltage Regulators 35A Synch Buck Reg 1.5V to 21V 1.5MHz | Switching Voltage Regulators 3A SupIRBuck Reg 250-1200kHz, 1.5-21V | Switching Voltage Regulators 25A Single 1.5MHz 5V to 21V App w/PWM |
| Manufacturer | Infineon | Infineon | Infineon |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PQFN-26 | PQFN-EP-15 | PQFN-28 |
| Output Voltage | 2 V | 0.7 V to 18.9 V | 600 mV to 0.86 V |
| Output Current | 35 A | 3 A | 25 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 21 V | 21 V | 21 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 1.5 V | 1.5 V | 1.5 V |
| Switching Frequency | 1.5 MHz | 250 kHz to 1.2 MHz | 1.5 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | IR3842 | - | - |
| Packaging | Reel | Reel | Reel |
| Function | Buck | - | Buck |
| Operating Temperature Range | - 40 C to + 125 C | - | - 40 C to + 125 C |
| Product | Voltage Regulators | - | Voltage Regulators |
| Type | Synchronous Buck Regulator | Step Down | Synchronous Buck Regulator |
| Width | 5 mm | - | 5 mm |
| Brand | Infineon / IR | Infineon / IR | Infineon / IR |
| Shutdown | Shutdown | - | Shutdown |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Current | 300 uA | - | 300 uA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 4000 | 750 | 750 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 1.5 V | - | 1.5 V |
| Part # Aliases | SP001528688 | SP001530066 | SP001530176 |
| Tradename | - | SupIRBuck | SupIRBuck |
| Input Voltage | - | - | 1.5 V to 21 V |