Allegro MicroSystems A4490EESTR-T
MPNA4490EESTR-T
Active
IC REG BUCK ADJ TRPL 20QFN
$2.68Ref. price · indicative, final on quote
Packaging20-WFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Adjustable |
| Mounting | Surface Mount |
| Voltage - input | 4.5V |
| Voltage - output | 30.6V |
| Voltage - output (Min (Fixed)) | 0.8V |
| Frequency - switching | 550kHz |
| I/O channels | 3 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 20-WFQFN Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | No |