A4490EES-T
lmages are for reference only.A4490EES-T
IC REG BUCK ADJ TRPL 20QFN
Datasheet20-WFQFN Exposed Pad
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Buck Switching Regulator IC Positive Adjustable 0.8V 3 Output 20-WFQFN Exposed Pad
A4490EES-T
| Category | Integrated Circuits (ICs) - Power Management PMIC - Voltage Regulators DC DC Switching Regulators |
| Manufacturer | Allegro MicroSystems |
| Series | - |
| Packaging | Tube |
| RoHS Status | ROHS3 Compliant |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 3 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 34V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 30.6V |
| 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) |
| Base Product Number | A4490 |
| Grade | - |
| Qualification | - |
| Product Attribute |  |
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| Part Number | A4490EESTR-T | A4491EESTR-T | A4492EESTR-T | RT7240GSP |
| Manufacturer | Allegro MicroSystems | Allegro MicroSystems | Allegro MicroSystems | Richtek USA Inc. |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Description | IC REG BUCK ADJ TRPL 20QFN | IC REG BUCK ADJ TRPL 20QFN | IC REG BUCK ADJ TRPL 20QFN | IC REG BUCK ADJ 5A 8SOP |
| Series | Allegro MicroSystems | Allegro MicroSystems | Allegro MicroSystems | Richtek USA Inc. |
| Packaging | Tape & Reel (TR)-->Cut Tape (CT) | Tape & Reel (TR)-->Cut Tape (CT) | Tape & Reel (TR)-->Cut Tape (CT) | Tape & Reel (TR)-->Cut Tape (CT) |
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| Delivery Time | In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Orwintech ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries. |
| Delivery Cost | Use your express account for shipment if you have one. Use our account for the shipment. Refer to the table below for the approximate charges. (Different time frame / countries / package size has different price.) |
| Delivery Method | Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support. Others more shipping ways, please get in touch with us. |
| Region | Country | Logistic Time(Day) |
| America | United States | 5 |
| Brazil | 7 | |
| Europe | Germany | 5 |
| United Kingdom | 4 | |
| Ltaly | 5 | |
| Oceania | Australia | 6 |
| New Zealand | 5 | |
| Asia | India | 4 |
| Japan | 4 | |
| Middle East | Israel | 6 |
| Shipment charges(KG) | Reference DHL(USD$) |
| 0.00kg-1.00kg | USD$30.00 - USD$60.00 |
| 1.00kg-2.00kg | USD$40.00 - USD$80.00 |
| 2.00kg-3.00kg | USD$50.00 - USD$100 |
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