 |  | | |
| PartNumber | A4491EESTR | A4491EESTR-T | A4491EESTR-T- |
| Description | IC REG BUCK ADJ TRPL 20QFN | ||
| Manufacturer | - | Allegro MicroSystems, LLC | - |
| Product Category | - | 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 | - |