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    1. Home/
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    5. LM2640MTC-ADJ Texas Instruments

    LM2640MTC-ADJ [Texas Instruments]

    LM2640MTC-ADJ
    LM2640MTC-ADJ

    Part No:

    LM2640MTC-ADJ

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    The LM2640 is a dual step-down power supply controller intended for application in notebook personal computers and other battery-powered equipment.

    Datasheet:

    Product FAQ

    1. Is LM2640MTC-ADJ available for RFQ?

    Yes. LM2640MTC-ADJ 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 LM2640MTC-ADJ?

    Pricing for LM2640MTC-ADJ 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 LM2640MTC-ADJ?

    LM2640MTC-ADJ is a Texas Instruments Power Supplies with Linear Regulator Output Voltage: 5V and Absolute Max Junction Temp: 150°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for LM2640MTC-ADJ?

    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 LM2640MTC-ADJ 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 LM2640MTC-ADJ?

    Yes. If LM2640MTC-ADJ 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:

    LM2640MTC-ADJ

    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
    Input Voltage
    5.5V ~ 30V
    Package
    TSSOP-28
    Absolute Max Junction Temp
    150°C
    Bootstrap Voltage
    4.5V
    ESD Rating
    2kV
    Input Supply Current
    0.6mA
    Junction Temperature
    0°C ~ 125°C
    Line Regulation
    0.002%/V
    Linear Regulator Output Voltage
    5V
    Load Regulation
    0.5%
    Max Sync Frequency
    400kHz
    Oscillator Frequency
    200kHz
    Output Voltage
    2.2V ~ 6V
    Reference Voltage
    2.5V

    Products Detail

    The LM2640 is a dual adjustable step-down switching power supply controller designed for notebook computers and battery-powered equipment. It features fixed-frequency synchronous drive of logic-level N-channel power MOSFETs with optional pulse-skipping mode for high efficiency over a 1000:1 load current range. The device includes current-mode feedback for excellent line/load regulation, a 200 kHz internal oscillator synchronizable to 400 kHz, programmable soft-start, separate ON/OFF controls, input undervoltage lockout, output overvoltage/undervoltage protection, a 5V linear regulator, and a precision 2.5V reference.

    Key Features

    • 200kHz fixed-frequency switching, Switching synchronization with external signal up to 400kHz, Optional pulse-skipping mode, Adjustable secondary feedback, Input undervoltage lockout, Output undervoltage shutdown protection, Output overvoltage shutdown protection, Programmable soft-start (each controller), 5V 50mA linear regulator output, Precision 2.5V reference output, 28-pin TSSOP

    Application scenarios

    • Notebook and subnotebook computers
    • Wireless data terminals
    • Battery-powered instruments

    Documents

    Datasheets:

    LM2640MTC-ADJ-Texas-Instruments-datasheet-10848428.pdfLM2640MTC-ADJ-Texas-Instruments-datasheet-14775503.pdfLM2640MTC-ADJ-National-Semiconductor-datasheet-24032.pdfLM2640MTC-ADJ-National-Semiconductor-datasheet-15940696.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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