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LM2599SX-3.3/NOPB - Texas Instruments

Description: Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-263-8, D2PAK (7 Leads + Tab), TO-263CA

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LM2599SX-3.3/NOPB - Texas Instruments PCB footprint - Other - Other - KTW0007B_2025-7
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LM2599SX-3.3/NOPB Details

  • Manufacturer Part Number:

    LM2599SX-3.3/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    D2PAK

  • Pin Count:

    4

  • 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-PSSO-G7

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 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:

    TO-263

  • Package Equivalence Code:

    SMSIP7H,.55,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    173 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    8.635 mm

LM2599SX-3.3/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage is 40V, but it's recommended to keep it below 37V to ensure reliable operation and to prevent damage to the internal circuitry.
  • The LM2599SX-3.3/NOPB has a maximum operating junction temperature of 125°C. However, it's recommended to keep the operating temperature below 85°C to ensure reliable operation and to prevent thermal shutdown.
  • To ensure the stability of the output voltage, it's recommended to use a minimum output capacitance of 22uF with an ESR of less than 1 ohm. Additionally, the input capacitance should be at least 10uF with an ESR of less than 1 ohm.
  • The minimum input voltage required for the LM2599SX-3.3/NOPB to operate is 7V. However, it's recommended to keep the input voltage above 8V to ensure reliable operation.
  • Yes, the LM2599SX-3.3/NOPB is designed for switching mode power supply applications. It has a high switching frequency of up to 150kHz, making it suitable for high-efficiency power supply designs.

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LM2599SX-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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