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| PartNumber | IR3843AMTR1PBF | IR3843AMTRPBF | IR3843WM |
| 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 | Infineon Technologies |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching 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 | 1 |
| Input Voltage MAX | 21 V | 21 V | - |
| Topology | Buck | 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 | Digi-ReelR Alternate Packaging |
| 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 | - |
| Series | - | - | SupIRBuck |
| Package Case | - | - | 15-PowerVQFN |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Adjustable |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | PQFN (5x6) |
| Frequency Switching | - | - | 225kHz ~ 1.65MHz |
| Current Output | - | - | 2A |
| Output Configuration | - | - | Positive |
| Voltage Output Min Fixed | - | - | 0.7V |
| Voltage Output Max | - | - | 14.4V |
| Synchronous Rectifier | - | - | Yes |
| Voltage Input Min | - | - | 1.5V |
| Voltage Input Max | - | - | 16V |