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    1. Home/
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    5. PT6643M Rochester

    PT6643M [Rochester]

    PT6643M
    PT6643M

    Part No:

    PT6643M

    Category:

    DC/DC Converters

    Manufacturer:

    Rochester

    Description:

    The PT6640 series is a positive +8V to +25V input to negative output line of Integrated Switching Regulators (ISRs). Designed for general purpose applications, the PT6640 series delivers a negative output voltage at up to 24W.

    Datasheet:

    Product FAQ

    1. Is PT6643M available for RFQ?

    Yes. PT6643M by Rochester 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 PT6643M?

    Pricing for PT6643M 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 PT6643M?

    PT6643M is a Rochester DC/DC Converters with PT6641 Output Current Max: 4A and PT6642 Output Current Max: 4A. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for PT6643M?

    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 PT6643M 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 PT6643M?

    Yes. If PT6643M is unavailable, obsolete, or does not meet your required lead time, we can help check similar Rochester DC/DC Converters parts or compatible alternatives.

    RFQ

    Part Number:

    PT6643M

    Manufacturer:

    Rochester

    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
    Operating Temperature
    -40°C ~ +85°C
    PT6641 Input Voltage Max
    +27V
    PT6641 Input Voltage Min
    +8V
    PT6641 Output Current Max
    4A
    PT6642 Input Voltage Max
    +25V
    PT6642 Input Voltage Min
    +8V
    PT6642 Output Current Max
    4A
    PT6643 Input Voltage Max
    +18V
    PT6643 Input Voltage Min
    +8V
    PT6643 Output Current Max
    2A
    PT6644 Input Voltage Max
    +21V
    PT6644 Input Voltage Min
    +8V
    PT6644 Output Current Max
    2.5A
    PT6645 Input Voltage Max
    +15V
    PT6645 Input Voltage Min
    +8V
    PT6645 Output Current Max
    1.5A
    PT6646 Input Voltage Max
    +27V
    PT6646 Input Voltage Min
    +8V
    PT6646 Output Current Max
    4A
    Package
    14-pin SIP
    Storage Temperature
    -40°C ~ +125°C
    Switching Frequency
    500kHz ~ 600kHz
    Weight
    14 grams

    Products Detail

    The PT6640 series is a family of integrated switching regulators that convert a positive input voltage (+8V to +25V) to a negative output voltage. Output voltages range from -2.5V to -15V with up to 24W output power. Key features include adjustable output voltage via an external resistor, remote sense capability for improved load regulation, and high efficiency up to 85%. The devices are packaged in a 14-pin SIP package and are available in surface-mount configuration.

    Key Features

    • Wide Input Voltage Range: +8V to +25V
    • Negative Output: -2.5V/4A to -15V/1.5A
    • Adjustable Output Voltage
    • Efficiency up to 85%
    • Remote Sense Capability
    • 14-Pin SIP Package
    • Surface-mount configuration

    Documents

    Datasheets:

    PT6640 SeriesPT6643M-Texas-Instruments-datasheet-10258081.pdfPT6643M-Texas-Instruments-datasheet-11745017.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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