| Manufacturer Part | A4491EESTR-T |
|---|---|
| Manufacturer | Allegro MicroSystems |
| Description | TRIPLE OUTPUT STEP DOWN SWITCHIN |
| Category | Integrated Circuits Supplier | Global Semiconductor Distributor |
| RoHS | Lead free / RoHS Compliant |
| Warranty | 365 days |
| Datasheet | A4491EESTR-T PDF |
| Availability | 9000 pieces |
| Shipped from | HK warehouse |
| Expected Shipping | Dec 08 - Dec 12 2025 |
In Stock Min.: 1 Mult.: 1
Not satisfied with the price? Want a lower wholesale price? Please send RFQ, and we will respond immediately
| Type | Description |
|---|---|
| Series: | - |
| Package: | Bulk |
| Part 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 (4x4) |
| Payment method | Hand Fee |
| Telegraphic Transfer | Request service |
| Paypal | 4% fee |
| Credit Card | 4% fee |
| Western Union | Free of charge |
| Money Gram | Free of charge |
| Shipping Type | Lead Time |
| DHL | 2-5 days |
| Fedex | 2-5 days |
| UPS | 2-5 days |
| TNT | 2-6 days |
| EMS | 3-7 days |
| Registered Air Mail | 20-35 days |
WIRE MARKER, 0.75 IN H X 0.25 IN
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