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    1. Home/
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    5. PTB48500AAS Texas Instruments

    PTB48500AAS [Texas Instruments]

    PTB48500AAS
    PTB48500AAS

    Part No:

    PTB48500AAS

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    Dual-output isolated DC/DC converter for xDSL applications, providing logic supply voltages for AC-7 based xDSL.

    Datasheet:

    Product FAQ

    1. Is PTB48500AAS available for RFQ?

    Yes. PTB48500AAS 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 PTB48500AAS?

    Pricing for PTB48500AAS 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 PTB48500AAS?

    PTB48500AAS is a Texas Instruments Power Supplies with PTB48500A Output Voltage Adjust Range: -10% to 20% and PTB48501A Output Voltage Adjust Range: -20% to 10%. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for PTB48500AAS?

    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 PTB48500AAS 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 PTB48500AAS?

    Yes. If PTB48500AAS 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:

    PTB48500AAS

    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
    Mean Time Between Failures (MTBF)
    1.5e6 hours
    Input Voltage Range
    36 VDC ~ 75 VDC
    Isolation Voltage
    1500V
    Operating Temperature
    -40°C ~ 85°C
    Storage Temperature
    -40°C ~ 125°C
    Capacitance Input Output
    1500pF
    Cross Regulation
    10mV
    Enable Input High Voltage Max
    75V
    Enable Input High Voltage Min
    3.6V
    Enable Input Low Current
    -1mA
    Enable Input Low Voltage Max
    0.8V
    Enable Input Low Voltage Min
    -0.2V
    External Output Capacitance Max
    5000µF
    External Output Capacitance Min
    0µF
    Flammability
    Meets UL94V-O
    Internal Input Capacitance
    2µF
    Line Regulation
    -1 to -10mV
    Load Regulation
    -3 to -12mV
    Mechanical Shock
    500 G
    Otp Hysteresis
    10°C
    Otp Shutdown Threshold
    115°C
    Output Voltage Vo1 Max
    3.4V
    Output Voltage Vo1 Min
    3.2V
    Output Voltage Vo1 Typ
    3.3V
    Output Voltage Vo2 Max
    1.24V
    Output Voltage Vo2 Min
    1.16V
    Output Voltage Vo2 Typ
    1.2V
    PTB48500A Efficiency
    82%
    PTB48500A Output Current Total
    0 to 13A
    PTB48500A Output Current Vo1
    0 to 6A
    PTB48500A Output Current Vo2
    0 to 7A
    PTB48500A Output Power Total
    28W
    PTB48500A Output Power Vo1
    19.8W
    PTB48500A Output Power Vo2
    8.4W
    PTB48500A Output Voltage Adjust Range
    -10% to 20%
    PTB48500A Overcurrent Threshold
    13.5 to 16A
    PTB48501A Efficiency
    81%
    PTB48501A Output Current Total
    0 to 16.5A
    PTB48501A Output Current Vo1
    0 to 6A
    PTB48501A Output Current Vo2
    0 to 10.5A
    PTB48501A Output Power Total
    32.4W
    PTB48501A Output Power Vo1
    19.8W
    PTB48501A Output Power Vo2
    12.6W
    PTB48501A Output Voltage Adjust Range
    -20% to 10%
    PTB48501A Overcurrent Threshold
    24A
    PTB48502A Efficiency
    82%
    PTB48502A Output Current Total
    0 to 21A
    PTB48502A Output Current Vo1
    0 to 10A
    PTB48502A Output Current Vo2
    0 to 13A
    PTB48502A Output Power Total
    45W
    PTB48502A Output Power Vo1
    33W
    PTB48502A Output Power Vo2
    15.6W
    PTB48502A Output Voltage Adjust Range
    -20% to 10%
    PTB48502A Overcurrent Threshold
    24A
    Resistance Input Output
    10mW
    Ripple Voltage
    20 to 50mV
    Solder Reflow Temperature
    235°C
    Standby Input Current
    2mA
    Switching Frequency
    500kHz ~ 600kHz
    Temperature Variation Vo1
    -0.5%
    Temperature Variation Vo2
    -0.8%
    Transient Response Overshoot
    -2.0%
    Transient Response Time
    30 µs
    Uvlo Off
    32V
    Uvlo On
    34V

    Products Detail

    The PTB4850x modules are dual-output isolated DC/DC converters designed for AC-7 based xDSL applications. They operate from a standard telecom (–48 V) central office supply and include on/off enable control, output current limit, over-temperature protection, and input under-voltage lockout. The PTB48500 and PTB48501 also feature a power-up reset output. The modules are designed to operate with PTB4851x converters to form a complete power solution for AC7 chipsets.

    Key Features

    • Dual independently regulated outputs, Input voltage range 36V to 75V, Power-Up/Down Sequencing, 1500VDC Isolation, Over-Current Protection, Over-Temperature Shutdown, Under-Voltage Lockout, Fixed Frequency Operation, Temperature range -40°C to 85°C, Industry Standard Outline, Operates with PTB4851x for complete AC7 power solution, Powers up to 64 DSL ports, Safety approvals: UL/cUL 60950, EN60950

    Application scenarios

    • xDSL applications
    • AC-7 based xDSL
    • powering up to 64 DSL ports

    Documents

    Datasheets:

    PTB48500-02PTB48500AAS-Texas-Instruments-datasheet-148512.pdfPTB48500AAS-Texas-Instruments-datasheet-31968.pdfPTB48500AAS-Texas-Instruments-datasheet-14175808.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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