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    1. Home/
    2. All Categories/
    3. Power/
    4. Power Supplies/
    5. UC2849N Texas Instruments

    UC2849N [Texas Instruments]

    UC2849N
    UC2849N

    Part No:

    UC2849N

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    Secondary Side Average Current Mode Controller for isolated power supplies.

    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
    Analog Input Voltage Max
    7V
    Analog Input Voltage Min
    -0.3V
    Input Voltage
    8V ~ 20V
    Junction Temperature
    -65°C ~ +150°C
    Lead Temperature
    +300°C
    Max Duty Cycle Max
    90%
    Max Duty Cycle Min
    80%
    Max Duty Cycle Typ
    85%
    Oscillator Frequency
    450kHz ~ 550kHz
    Output Current
    0.3A
    Package
    DIL-24, SOIC-24, PLCC-28
    Sink Source Output Current
    250mA
    Supply Voltage
    20V
    Timing Capacitor Max
    2nF
    Timing Capacitor Min
    75pF
    Timing Resistor Max
    200k
    Timing Resistor Min
    1k
    UC2849 Operating Temperature Max
    +85°C
    UC2849 Operating Temperature Min
    -40°C
    UC3849 Operating Temperature Max
    +70°C
    UC3849 Operating Temperature Min
    0°C
    Vref
    5V

    Products Detail

    The UC3849 family of controllers accurately accomplishes secondary side average current mode control in isolated power supplies. It features 1MHz operation, differential AC switching current sensing, programmable maximum duty cycle, synchronization of multiple chips, and wide gain bandwidth current sense amplifiers. The device supports load sharing for up to ten units and provides fast transient response.

    Key Features

    • Secondary side control for isolated power supplies
    • 1MHz operation
    • differential AC switching current sensing
    • programmable maximum duty cycle
    • synchronization of multiple chips to fastest oscillator
    • wide gain bandwidth (70MHz) current sense amplifiers
    • load sharing for up to ten devices

    Application scenarios

    • Isolated Power Supplies

    Documents

    Datasheets:

    UC2849, UC384924-Dip Pkg DrawingUC2849N-Texas-Instruments-datasheet-10258017.pdfUC2849N-Texas-Instruments-datasheet-148392.pdfUC2849N-Texas-Instruments-datasheet-10254786.pdfUC2849N-Texas-Instruments-datasheet-42002.pdfUC2849N-Texas-Instruments-datasheet-96706.pdfUC2849N-Texas-Instruments-datasheet-14159068.pdf
    Product FAQ

    1. Is UC2849N available for RFQ?

    Yes. UC2849N by Texas Instruments 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 UC2849N?

    Pricing for UC2849N 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 UC2849N?

    UC2849N is a Texas Instruments Power Supplies with UC2849 Operating Temperature Max: +85°C and UC2849 Operating Temperature Min: -40°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for UC2849N?

    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 UC2849N 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 UC2849N?

    Yes. If UC2849N is unavailable, obsolete, or does not meet your required lead time, we can help check similar Texas Instruments Power Supplies parts or compatible alternatives.

    RFQ

    Part Number:

    UC2849N

    Manufacturer:

    Texas Instruments

    Looking for Pricing? Contact us for volume pricing.

    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

    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.

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