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    1. Home/
    2. All Categories/
    3. Integrated Circuits - ICs/
    4. Interface ICs/
    5. TOP243Y Power Integrations

    TOP243Y [Power Integrations]

    TOP243Y
    TOP243Y

    Part No:

    TOP243Y

    Category:

    Interface ICs

    Manufacturer:

    Power Integrations

    Description:

    TOPSwitch-GX family: Extended power, design flexible, EcoSmart, integrated off-line switcher for AC-DC conversion with lower system cost and high design flexibility.

    RoHS Status:

    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
    Package
    DIP-8B, SMD-8B, TO-220-7C, TO-263-7C, TO-262-7C
    RoHS Status
    RoHS Compliant
    RoHS Status
    RoHS Compliant
    Current Limit Programmable
    30% to 100% of default
    Frequency Jittering (AT 250HZ)
    ±4kHz at 250Hz
    Max Duty Cycle
    78%
    Max Duty Cycle Reduced
    38%
    Soft Start
    10 ms
    Switching Frequency
    132kHz
    Switching Frequency Option
    66kHz

    Products Detail

    TOPSwitch-GX integrates a high-voltage power MOSFET, PWM control, and protection circuitry on a single chip. It offers extended power range, reduced external component cost, fully integrated soft-start, externally programmable current limit, wider duty cycle, line sensing (UV/OV), line feed-forward, frequency jittering for EMI reduction, and hysteretic thermal shutdown. EcoSmart energy efficiency features include low remote off-mode consumption and frequency lowering with load for high standby efficiency.

    Key Features

    • Extended power range
    • No heatsink required up to 34 W (P/G)
    • Integrated soft-start
    • Externally programmable current limit
    • Wider duty cycle
    • Line sense and current limit pins (Y/R/F)
    • UV/OV detection
    • Line feed-forward
    • Frequency jittering
    • Regulates to zero load
    • 132 kHz frequency
    • Half frequency option (66 kHz)
    • Hysteretic thermal shutdown
    • EcoSmart energy efficiency

    Application scenarios

    • Power supplies
    • adapters
    • open frame designs
    • universal input
    • multiple output
    • processor controlled supplies
    • high efficiency applications.
    Product FAQ

    1. Is TOP243Y available for RFQ?

    Yes. TOP243Y by Power Integrations 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 TOP243Y?

    Pricing for TOP243Y 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 TOP243Y?

    TOP243Y is a Power Integrations Interface ICs with Frequency Jittering (AT 250HZ): ±4kHz at 250Hz and Current Limit Programmable: 30% to 100% of default. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for TOP243Y?

    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 TOP243Y 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 TOP243Y?

    Yes. If TOP243Y is unavailable, obsolete, or does not meet your required lead time, we can help check similar Power Integrations Interface ICs parts or compatible alternatives.

    RFQ

    Part Number:

    TOP243Y

    Manufacturer:

    Power Integrations

    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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