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    1. Home/
    2. All Categories/
    3. Integrated Circuits - ICs/
    4. Driver ICs/
    5. LYT1403D Power Integrations

    LYT1403D [Power Integrations]

    LYT1403D
    LYT1403D

    Part No:

    LYT1403D

    Category:

    Driver ICs

    Manufacturer:

    Power Integrations

    Description:

    Single-Stage LED Driver IC with Combined PFC and Constant Current Output for Buck Topology

    Datasheet:

    Product FAQ

    1. Is LYT1403D available for RFQ?

    Yes. LYT1403D 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 LYT1403D?

    Pricing for LYT1403D 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 LYT1403D?

    LYT1403D is a Power Integrations Driver ICs with Thermal Resistance Junction To Ambient: 100°C/W (with 0.36 sq. inch copper clad) and Thermal Resistance Junction To Case: 30°C/W. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for LYT1403D?

    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 LYT1403D 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 LYT1403D?

    Yes. If LYT1403D is unavailable, obsolete, or does not meet your required lead time, we can help check similar Power Integrations Driver ICs parts or compatible alternatives.

    RFQ

    Part Number:

    LYT1403D

    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
    Package
    SO-8 (D Package)
    Storage Temperature
    -65°C ~ 150°C
    Bypass Supply Current LYT1x02
    680mA
    Bypass Supply Current LYT1x03
    785mA
    Bypass Supply Current LYT1x04
    850mA
    Bypass Voltage Max
    5.35V
    Bypass Voltage Min
    5.075V
    Bypass Voltage Typ
    5.22V
    Drain Peak Current LYT1x02
    1.05A (1.3A when Vds < 400V)
    Drain Peak Current LYT1x03
    2.1A (2.6A when Vds < 400V)
    Drain Peak Current LYT1x04
    2.8A (3.5A when Vds < 400V)
    Drain Voltage Max
    725V
    Drain Voltage Min
    -0.3V
    Feedback Reference Voltage Max
    -273mV
    Feedback Reference Voltage Min
    -285mV
    Feedback Reference Voltage Typ
    -279mV
    Input Overvoltage Threshold Max
    1.1mA
    Input Overvoltage Threshold Min
    0.9mA
    Input Overvoltage Threshold Typ
    1.0mA
    Minimum Switching Frequency Max
    22kHz
    Minimum Switching Frequency Min
    18kHz
    Minimum Switching Frequency Typ
    20kHz
    Operating Junction Temperature
    -40°C ~ 150°C
    Output Overvoltage Threshold Max
    2.48V
    Output Overvoltage Threshold Min
    2.3V
    Output Overvoltage Threshold Typ
    2.4V
    Output Undervoltage Threshold Max
    0.99V
    Output Undervoltage Threshold Min
    0.91V
    Output Undervoltage Threshold Typ
    0.95V
    Thermal Foldback Temperature Max
    152°C
    Thermal Foldback Temperature Min
    138°C
    Thermal Foldback Temperature Typ
    145°C
    Thermal Resistance Junction To Ambient
    100°C/W (with 0.36 sq. inch copper clad)
    Thermal Resistance Junction To Case
    30°C/W
    Thermal Shutdown Hysteresis
    75°C
    Thermal Shutdown Temperature
    160°C

    Products Detail

    The LYTSwitch-1 family is ideal for single-stage, high PF, constant current LED bulbs and tubes. It incorporates a high-voltage MOSFET with a variable on-time CrM controller, providing industry-leading power density and functionality with extensive protection features and minimal external components. The devices can be used in high-side or low-side non-isolated buck topology.

    Key Features

    • Single-Stage PFC + Accurate CC Output, Power factor >0.9, High efficiency >93%, Robust 725 V MOSFET, Critical Conduction Mode (CrM) buck, Low EMI, Excellent line noise and transient rejection, Supports high- and low-side buck topologies, Wide input (90 VAC – 308 VAC) and output voltage range, Comprehensive protection features with auto-restart, Input and output overvoltage protection (OVP), Output short-circuit protection, Open-loop protection, Advanced thermal control, Thermal foldback, Over-temperature shutdown

    Application scenarios

    • LED bulbs and tubes
    • non-isolated buck topology applications

    Documents

    Datasheets:

    LYT1402-1604
    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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