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

    STMicroelectronics L7981

    Part No.:
    L7981
    Manufacturer:
    STMicroelectronics
    Category:
    Voltage Regulators - DC DC Switching Regulators
    Package:
    8-VFDFN Exposed Pad
    Datasheet:
    KATY Electronic Technology Co., LTDL7981.pdf
    Description:
    IC REG BUCK ADJ 3A 8VFQFPN
    Quantity:
    Payment:
    Payment
    Shipping:
    Shipping

    Product details

    • Specifications
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    Product attributes
    Attribute value
    Manufacturer:
    STMicroelectronics
    Series:
    -
    Package/Case:
    8-VFDFN Exposed Pad
    Packaging:
    Tube
    Product Status:
    Active
    Function:
    Step-Down
    Output Configuration:
    Positive
    Topology:
    Buck
    Output Type:
    Adjustable
    Number of Outputs:
    1
    Voltage - Input (Min):
    4.5V
    Voltage - Input (Max):
    28V
    Voltage - Output (Min/Fixed):
    0.6V
    Voltage - Output (Max):
    28V
    Current - Output:
    3A
    Frequency - Switching:
    250kHz ~ 1MHz
    Synchronous Rectifier:
    No
    Operating Temperature:
    -40°C ~ 150°C (TJ)
    Grade:
    -
    Qualification:
    -
    Mounting Type:
    Surface Mount
    Supplier Device Package:
    8-VFQFPN (3x3)

    1. How to order L7981 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 L7981 is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the L7981. All suppliers must pass our qualification reviews before they can publish their products including L7981 on KATY Electronic Technology Co., LTD; we pay more attention to the channels and quality of L7981 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the L7981 price and inventory displayed accurate?

    The price and inventory of L7981 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 L7981?

    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 L7981 we delivered, we will accept the replacement or return of the L7981 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 L7981.

    (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 L7981 pin diagram, L7981 datasheet?

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

    Image L7981ATR L7981TR L7981A L7981
    Part Number L7981ATR L7981TR L7981A L7981
    Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
    Series - - - -
    Package/Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-VFDFN Exposed Pad 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-VFDFN Exposed Pad
    Packaging Tape & Reel (TR) Tape & Reel (TR) Tube Tube
    Product Status Active Active Obsolete Active
    Function Step-Down Step-Down Step-Down Step-Down
    Output Configuration Positive Positive Positive Positive
    Topology Buck Buck Buck Buck
    Output Type Adjustable Adjustable Adjustable Adjustable
    Number of Outputs 1 1 1 1
    Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V
    Voltage - Input (Max) 28V 28V 28V 28V
    Voltage - Output (Min/Fixed) 0.6V 0.6V 0.6V 0.6V
    Voltage - Output (Max) 28V 28V 28V 28V
    Current - Output 3A 3A 3A 3A
    Frequency - Switching 250kHz ~ 1MHz 250kHz ~ 1MHz 250kHz ~ 1MHz 250kHz ~ 1MHz
    Synchronous Rectifier No No No No
    Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
    Grade - - - -
    Qualification - - - -
    Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
    Supplier Device Package 8-HSOP 8-VFQFPN (3x3) 8-HSOP 8-VFQFPN (3x3)
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