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    1. Home/
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    5. PT78NR103ST Texas Instruments

    PT78NR103ST [Texas Instruments]

    PT78NR103ST
    PT78NR103ST

    Part No:

    PT78NR103ST

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    The PT78NR100 Series creates a negative output voltage from a positive input voltage greater than 7V. These easy-to-use, 3-terminal, Integrated Switching Regulators (ISRs) have maximum output power of 5 watts and a negative output voltage that is laser trimmed.

    Datasheet:

    Product FAQ

    1. Is PT78NR103ST available for RFQ?

    Yes. PT78NR103ST 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 PT78NR103ST?

    Pricing for PT78NR103ST 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 PT78NR103ST?

    PT78NR103ST is a Texas Instruments Power Supplies with Output Voltage Tolerance: ±3.0% and Operating Temperature: -40°C ~ +85°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for PT78NR103ST?

    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 PT78NR103ST 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 PT78NR103ST?

    Yes. If PT78NR103ST 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:

    PT78NR103ST

    Manufacturer:

    Texas Instruments

    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
    Efficiency
    75%
    Input Voltage
    7V ~ 25V
    Inrush Current
    4A
    Operating Temperature
    -40°C ~ +85°C
    Storage Temperature
    -40°C ~ +125°C
    Weight
    6.5 Grams
    Package
    SIP MODULE
    External Capacitor
    100µF electrolytic or tantalum at input and output
    Line Regulation
    ±1.0%
    Load Regulation
    ±1.0%
    Output Current
    1.00A
    Output Voltage Tolerance
    ±3.0%
    Ripple Noise
    ±2%
    Short Circuit Current
    4 * Imax
    Startup Time
    0.5 mSec
    Switching Frequency
    600kHz ~ 700kHz
    Thermal Resistance
    45°C/W
    Transient Response
    250 µSec

    Products Detail

    The PT78NR100 Series are Integrated Switching Regulators (ISRs) that generate a negative output voltage from a positive input. They feature a 3-terminal design with self-contained inductor, requiring only external capacitors for operation. Key characteristics include wide input voltage range, short circuit protection, over-temperature protection, fast transient response, and excellent line/load regulation. The output voltage is laser trimmed for precision, delivering up to 5 watts of output power.

    Key Features

    • Negative output from positive input
    • Wide Input Range
    • Self-Contained Inductor
    • Short Circuit Protection
    • Over-Temperature Protection
    • Fast Transient Response
    • Laser trimmed output voltage
    • Excellent line and load regulation
    • Maximum output power 5 watts

    Documents

    Datasheets:

    PT78NR100 SeriesPT78NR103ST-Texas-Instruments-datasheet-5502.pdf
    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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