Allegro MicroSystemsA4491EESTR-TDC to DC Converter and Switching Regulator Chip
Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R
| Compliant | |
| EAR99 | |
| Active | |
| 8542.39.00.90 | |
| SVHC | Yes |
| Automotive | No |
| PPAP | No |
| Step Down | |
| 630 | |
| Yes | |
| 1 | |
| 4.5 | |
| 4.5 | |
| 23 | |
| 4.5 to 23 | |
| 1000 | |
| -40 | |
| 85 | |
| Tape and Reel | |
| Mounting | Surface Mount |
| Package Width | 4 |
| Package Length | 4 |
| PCB changed | 20 |
| Standard Package Name | QFN |
| Supplier Package | QFN EP |
| 20 | |
| Lead Shape | No Lead |
Adjust the voltage level of your devices with this step down A4491EESTR-T DC to DC converter from Allegro MicroSystems. This converter's single output can produce a current up to 4.5 A. It only needs a voltage of at least 4.5 V while not exceeding 23 V to effectively power your circuit. Its switching regulator has a frequency of 630 kHz. This product will be shipped in tape and reel packaging to allow for quick mounting and safe delivery. This converter has an operating temperature range of -40 °C to 85 °C.
| EDA / CAD Models |
Design AI-powered medical devices
Explore system design tips, part recs and AI insights to help you build faster, safer diagnostic and therapy solutions—all in Arrow’s latest white paper.