 | |  | |
| PartNumber | A4491EE | A4491EESTR | A4491EESTR-T |
| Description | IC REG BUCK ADJ TRPL 20QFN | ||
| Manufacturer | ALLEGRO | - | Allegro MicroSystems, LLC |
| Product Category | PMIC - Voltage Regulators - DC DC Switching Regulators | - | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Series | - | - | - |
| Packaging | - | - | Digi-ReelR Alternate Packaging |
| Package Case | - | - | 20-WFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Adjustable |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 20-QFN (4x4) |
| Number of Outputs | - | - | 3 |
| Topology | - | - | Buck |
| Frequency Switching | - | - | 550kHz |
| Current Output | - | - | - |
| Output Configuration | - | - | Positive |
| Voltage Output Min Fixed | - | - | 0.8V |
| Voltage Output Max | - | - | 20.7V |
| Synchronous Rectifier | - | - | No |
| Voltage Input Min | - | - | 4.5V |
| Voltage Input Max | - | - | 23V |