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See Product Specifications
| Part Number: | A4491EESTR-T |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Allegro MicroSystems |
| Packaging: | Tape & Reel (TR) |
| Product Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Adjustable |
| Number of Outputs: | 3 |
| Voltage - Input (Min): | 4.5V |
| Voltage - Input (Max): | 23V |
| Voltage - Output (Min/Fixed): | 0.8V |
| Voltage - Output (Max): | 20.7V |
| Current - Output: | - |
| Frequency - Switching: | 550kHz |
| Synchronous Rectifier: | No |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-WFQFN Exposed Pad |
| Supplier Device Package: | 20-QFN-EP (4x4) |
