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    KATY Electronic Technology Co., LTD KATY Electronic Technology Co., LTD

    Allegro MicroSystems A4490EESTR-T

    Part No.:
    A4490EESTR-T
    Manufacturer:
    Allegro MicroSystems
    Category:
    Voltage Regulators - DC DC Switching Regulators
    Package:
    20-WFQFN Exposed Pad
    Datasheet:
    KATY Electronic Technology Co., LTDA4490EESTR-T.pdf
    Description:
    IC REG BUCK ADJ TRPL 20QFN
    Quantity:
    Payment:
    Payment
    Shipping:
    Shipping

    Product details

    • Specifications
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    Product attributes
    Attribute value
    Manufacturer:
    Allegro MicroSystems
    Series:
    -
    Package/Case:
    20-WFQFN Exposed Pad
    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):
    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)
    Grade:
    -
    Qualification:
    -
    Mounting Type:
    Surface Mount
    Supplier Device Package:
    20-QFN-EP (4x4)

    1. How to order A4490EESTR-T on KATY Electronic Technology Co., LTD?

    Currently, KATY Electronic Technology Co., LTD only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

    2. How does KATY Electronic Technology Co., LTD guarantee that A4490EESTR-T is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the A4490EESTR-T. All suppliers must pass our qualification reviews before they can publish their products including A4490EESTR-T on KATY Electronic Technology Co., LTD; we pay more attention to the channels and quality of A4490EESTR-T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the A4490EESTR-T price and inventory displayed accurate?

    The price and inventory of A4490EESTR-T fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

    4. What forms of payment are accepted?

    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of A4490EESTR-T?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the A4490EESTR-T we delivered, we will accept the replacement or return of the A4490EESTR-T only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of A4490EESTR-T.

    (3)The PartNo is unused and only in the original unpacked packaging.

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

    7.How to contact us to get technical supports, such as A4490EESTR-T pin diagram, A4490EESTR-T datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

    Image A4490EESTR-T
    Part Number A4490EESTR-T
    Manufacturer Allegro MicroSystems
    Series -
    Package/Case 20-WFQFN Exposed Pad
    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) 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)
    Grade -
    Qualification -
    Mounting Type Surface Mount
    Supplier Device Package 20-QFN-EP (4x4)
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    Inventory:2,632

    Please send an inquiry. Send us your inquiry, and we will respond immediately.

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