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LM2597N-3.3/NOPB - Texas Instruments

Description: Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 3.3V 0.5A 8-Pin PDIP Tube

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LM2597N-3.3/NOPB - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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LM2597N-3.3/NOPB - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LM2597N-3.3/NOPB Details

  • Manufacturer Part Number:

    LM2597N-3.3/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.817 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    173 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM2597N-3.3/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2597N-3.3/NOPB is 40V, but it's recommended to keep it below 37V to ensure reliable operation and to prevent damage to the internal components.
  • The LM2597N-3.3/NOPB has a maximum operating junction temperature of 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to keep the operating temperature below 85°C for optimal performance.
  • To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low equivalent series resistance (ESR) and a high ripple current rating. A 10uF to 22uF ceramic or tantalum capacitor is recommended. Also, ensure that the input voltage is within the recommended range and the input capacitor is properly sized.
  • The LM2597N-3.3/NOPB is a switching regulator, and it may generate switching noise. To minimize switching noise, use a suitable input filter capacitor, keep the layout compact, and use a shielded inductor. Additionally, consider using a linear regulator or a low-noise switching regulator if switching noise is a major concern.
  • The output current capability of the LM2597N-3.3/NOPB depends on the input voltage, output voltage, and ambient temperature. A general rule of thumb is to derate the maximum output current by 10% to 20% to ensure reliable operation. Consult the datasheet for more information on output current calculation.

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LM2597N-3.3/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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