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    1. Home/
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    3. Integrated Circuits - ICs/
    4. Power Management ICs/
    5. TOP243G Power Integrations

    TOP243G [Power Integrations]

    TOP243G
    TOP243G

    Part No:

    TOP243G

    Category:

    Power Management ICs

    Manufacturer:

    Power Integrations

    Description:

    TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

    Datasheet:

    Product FAQ

    1. Is TOP243G available for RFQ?

    Yes. TOP243G 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 TOP243G?

    Pricing for TOP243G 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 TOP243G?

    TOP243G is a Power Integrations Power Management ICs with Switching Frequency Default: 132kHz and Maximum Duty Cycle Default: 78%. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for TOP243G?

    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 TOP243G 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 TOP243G?

    Yes. If TOP243G is unavailable, obsolete, or does not meet your required lead time, we can help check similar Power Integrations Power Management ICs parts or compatible alternatives.

    RFQ

    Part Number:

    TOP243G

    Manufacturer:

    Power Integrations

    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

    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
    Control Pin Voltage
    5.8V
    Current Limit Range
    30% to 100% of default
    Maximum Duty Cycle Default
    78%
    Maximum Duty Cycle Min
    38%
    Ov Threshold
    450 VDC (for RLS=2MΩ)
    Soft Start Time
    10 ms
    Switching Frequency Default
    132kHz
    Switching Frequency Half
    66kHz
    Under Voltage Lockout
    4.8V
    Uv Threshold
    100 VDC (for RLS=2MΩ)

    Products Detail

    TOPSwitch-GX integrates a high-voltage power MOSFET, PWM control, fault protection, and control circuitry onto a single CMOS chip. It reduces system cost and improves design flexibility, performance, and energy efficiency. Features include extended power range, no heatsink required up to 34 W, elimination/reduction of external components, fully integrated soft-start, externally programmable current limit, wider duty cycle, line sensing (OV/UV, feed-forward), frequency jittering for EMI reduction, 132 kHz switching frequency (reduced at light load), hysteretic thermal shutdown, and EcoSmart energy efficiency with ultra-low remote-off consumption.

    Key Features

    • Extended power range
    • No heatsink required up to 34 W
    • Eliminate/reduce external component cost
    • Fully integrated soft-start
    • Externally programmable current limit
    • Wider duty cycle
    • Separate line sense and current limit pins (Y/R/F packages)
    • Line under-voltage (UV) detection
    • Line overvoltage (OV) shutdown
    • Line feed-forward with maximum duty cycle reduction
    • Frequency jittering reduces EMI
    • Regulates to zero load without dummy loading
    • 132 kHz frequency reduces transformer size
    • Half frequency option (Y/R/F packages)
    • Hysteretic thermal shutdown
    • Large thermal hysteresis
    • EcoSmart energy efficiency: extremely low consumption in remote off mode, frequency lowered with load, allows shutdown/wake-up via LAN/input port
    • Integrated high voltage power MOSFET, PWM control, fault protection
    • Soft-start, 132 kHz switching frequency (automatically reduced at light load), frequency jittering, wider DCmax, hysteretic thermal shutdown, larger creepage packages, tighter absolute tolerances and smaller temperature variations.

    Application scenarios

    • Power supplies
    • adapters
    • open frame power supplies
    • processor controlled supplies

    Documents

    Datasheets:

    TOP242-250
    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

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