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    1. Home/
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    5. PT78ST115ST Texas Instruments

    PT78ST115ST [Texas Instruments]

    PT78ST115ST
    PT78ST115ST

    Part No:

    PT78ST115ST

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    PT78ST100 Series is a 1.5 Amp positive step-down integrated switching regulator with a maximum output current of 1.5 Amps and laser-trimmed output voltages.

    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
    Input Voltage
    9V ~ 38V
    Operating Temperature
    -40°C ~ +85°C
    Storage Temperature
    -40°C ~ +125°C
    Weight
    6.5 grams
    Package
    Horizontal Mount
    Efficiency 12V
    90%
    Efficiency 3.3V
    80%
    Efficiency 5V
    85%
    Line Regulation
    ±0.2% to ±0.4%
    Load Regulation
    ±0.1% to ±0.2%
    Mechanical Shock
    500 G's
    Mechanical Vibration
    5 G's
    Output Capacitor
    100µF electrolytic or tantalum
    Output Current
    0.1A ~ 1.5A
    Output Voltage Tolerance
    ±1.0% to ±2.0%
    Recommended Operating Temperature Max
    +80°C
    Recommended Operating Temperature Min
    -40°C
    Ripple Noise 12V
    90 mVpp
    Ripple Noise 5V
    65 mVpp
    Short Circuit Current
    3.5 Apk
    Switching Frequency
    600kHz ~ 700kHz
    Thermal Resistance
    45°C/W
    Transient Response Overshoot
    5%
    Transient Response Time
    100 µSec

    Products Detail

    The PT78ST100 is a series of wide input range, 3-terminal regulators with excellent line and load regulation. It features internal short-circuit protection, over-temperature protection, and is offered in standard output voltages. Key characteristics include very small footprint, high efficiency (>85%), self-contained inductor, fast transient response, and wide input range flexibility for various applications.

    Key Features

    • Very Small Footprint, High Efficiency >85%, Self-Contained Inductor, Internal Short-Circuit Protection, Over-Temperature Protection, Fast Transient Response, Wide Input Range, Excellent Line/Load Regulation

    Documents

    Datasheets:

    PT78ST100 SeriesPT78ST115ST-Texas-Instruments-datasheet-8858778.pdfPT78ST115ST-Texas-Instruments-datasheet-41216901.pdfPT78ST115ST-Texas-Instruments-datasheet-12233.pdf
    Product FAQ

    1. Is PT78ST115ST available for RFQ?

    Yes. PT78ST115ST 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 PT78ST115ST?

    Pricing for PT78ST115ST 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 PT78ST115ST?

    PT78ST115ST is a Texas Instruments Power Supplies with Recommended Operating Temperature Max: +80°C and Recommended 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 PT78ST115ST?

    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 PT78ST115ST 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 PT78ST115ST?

    Yes. If PT78ST115ST 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:

    PT78ST115ST

    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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