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| PartNumber | IR3853MTRPBF | IR3853MTR1PBF | IR3853MTRPBF-CUT TAPE |
| Description | Switching Voltage Regulators 4A SupIRBuck Reg 250-1500kHz, 1.5-21V | Switching Voltage Regulators 4A SupIRBuck Reg 250-1500kHz, 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-17 | QFN-17 | - |
| Output Voltage | 0.7 V to 18.9 V | 700 mV to 18.9 V | - |
| Output Current | 4 A | 4 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 1.5 MHz | 250 kHz to 1.5 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Reel | Reel | - |
| Type | Step Down | Synchronous Buck | - |
| Brand | Infineon Technologies | Infineon / IR | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 4000 | 750 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Tradename | SupIRBuck | SupIRBuck | - |
| Part # Aliases | SP001527784 | SP001526552 | - |
| Unit Weight | - | 0.001164 oz | - |