Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (Sales)
phone
Lucy (Sales)
phone
Ban (Sales)
phone
+86 755-2845-3125
RFQ List
  • open navigation menu
    • Logo
    • RFQ List
      • Manufacturers
      • Hot Products
      • RFQ
      • Blog
      • Tools
      • Sourcing Solutions
      • PCB/SMT
      • About Us
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    CONTACT US
    +86 755-2845-3125
    [email protected][email protected][email protected]
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    Company
    • Blog
    • About Us
    • Contact Us
    Resources
    • Categories
    • Manufacturers
    • Tools
    • RFQ
    Quick link
    • Privacy Policy
    • Terms of Use
    • Cookies Policy
    • Refund & Return Policy
    • Shipping & Delivery Policy
    Payment
    • Payment method
    • Payment method
    • Payment method
    • Payment method
    Logistics
    • Logistics partner
    • Logistics partner
    • Logistics partner
    • Logistics partner

    © 2026 Copyright. All Rights Reserved. Made by ICAllIn

    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Power/
    4. Power Supplies/
    5. UC3843BD1 STMicroelectronics

    UC3843BD1 [STMicroelectronics]

    UC3843BD1
    UC3843BD1

    Part No:

    UC3843BD1

    Category:

    Power Supplies

    Manufacturer:

    STMicroelectronics

    Description:

    IC REG CTRLR BOOST/FLYBACK 8SO.Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC

    RoHS Status:

    Product FAQ

    1. Is UC3843BD1 available for RFQ?

    Yes. UC3843BD1 by STMicroelectronics is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for UC3843BD1?

    Pricing for UC3843BD1 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of UC3843BD1?

    UC3843BD1 is a STMicroelectronics Power Supplies with Packaging: Tube and Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V and ExportControlClassNumber: EAR99. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for UC3843BD1?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can UC3843BD1 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to UC3843BD1?

    Yes. If UC3843BD1 is unavailable, obsolete, or does not meet your required lead time, we can help check similar STMicroelectronics Power Supplies parts or compatible alternatives.

    RFQ

    Part Number:

    UC3843BD1

    Manufacturer:

    STMicroelectronics

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Datasheet:

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Packaging
    Tube
    Part Status
    Active
    Manufacturer Lead Time
    14 Weeks
    Clock Sync
    No
    Control Features
    Frequency Control
    Duty Cycle (Max)
    96%
    Frequency - Switching
    Up to 500kHz
    Function
    Step-Up, Step-Up/Step-Down
    Mounting Type
    Surface Mount
    Number of Outputs
    1
    Operating Temperature
    0°C ~ 70°C (TJ)
    Output Configuration
    Positive, Isolation Capable
    Output Phases
    1
    Output Type
    Transistor Driver
    Package / Case
    8-SOIC (0.154", 3.90mm Width)
    Supplier Device Package
    8-SOIC
    Synchronous Rectifier
    No
    Topology
    Boost, Flyback
    Voltage - Supply (Vcc/Vdd)
    7.6V ~ 30V
    ExportControlClassNumber
    EAR99
    HtsusCode
    8542.39.0060
    MoistureSensitivityLevel
    1 (Unlimited)
    ReachStatus
    REACH Unaffected
    RoHS Status
    RoHS Compliant

    Documents

    Datasheets:

    Datasheets
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

    BEST SELL
    ISL8200MIRZ-T

    ISL8200MIRZ-T

    RENESAS

    BEST SELL
    ADS1248IPWR

    ADS1248IPWR

    Texas Instruments

    BEST SELL
    TMS320F28035PAGS

    TMS320F28035PAGS

    Texas Instruments

    BEST SELL
    MT48LC4M32B2P-6A IT:L

    MT48LC4M32B2P-6A IT:L

    Micron

    BEST SELL
    ATSAME70Q21B-CFN

    ATSAME70Q21B-CFN

    Microchip

    BEST SELL
    BAV99-7-F-CN

    BAV99-7-F-CN

    Unknown

    BEST SELL
    FS32K118LFT0VLHT

    FS32K118LFT0VLHT

    NXP

    BEST SELL
    H5CG46MEBDX015N

    H5CG46MEBDX015N

    SK HYNIX

    BEST SELL
    ADF4351BCPZ

    ADF4351BCPZ

    Analog Devices

    BEST SELL
    K4AAG085WA-BIWE

    K4AAG085WA-BIWE

    SAMSUNG

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • VIPERGAN65DTR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
      -
    • L6462ATR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
      -
    • LED2472GBTR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • L4984DTR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • STEVAL-ILL017V1
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • VIPER267KDTR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • TSM101ACDT
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • STGIPQ3HD60-HZ
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • HVLED815PFTR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • L6563H
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing

    L6668TR

    L6668TR

    STMicroelectronics

    STGIB30M60S-E

    STGIB30M60S-E

    STMicroelectronics

    STNRG599B

    STNRG599B

    STMicroelectronics

    UC2843BN

    UC2843BN

    STMicroelectronics

    SEA05TR

    SEA05TR

    STMicroelectronics

    L4986ATR

    L4986ATR

    STMicroelectronics

    STP16CP05M

    STP16CP05M

    STMicroelectronics

    STGIB15CH60TS-E

    STGIB15CH60TS-E

    STMicroelectronics

    VIPER22ADIP-E

    VIPER22ADIP-E

    STMicroelectronics

    TSM101ID

    TSM101ID

    STMicroelectronics

    DC Power Cords(0)Battery Chargers(11802)DC/DC Converters(149515)AC Power Cords(0)AC Power Plugs & Receptacles(207)Power Inverters(7299)Solar Panels & Solar Cells(7)Thermoelectric Assemblies(2475)Batteries(5298)Power Condition(27401)

    No recently viewed products