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LM2578AM - Texas Instruments

Description: Conv DC-DC 2V to 40V Inv/Step Down Single-Out 1V to 36V 0.75A 8-Pin SOIC Tube

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LM2578AM - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LM2578AM Details

  • Manufacturer Part Number:

    LM2578AM

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, MS-012AA, SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1998-04-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    2 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 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:

    0.75 A

  • Output Voltage-Max:

    36 V

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    24 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

LM2578AM Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2578AM is 40V, but it's recommended to keep it below 35V for reliable operation.
  • The LM2578AM is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper heat sinking and thermal management to prevent overheating.
  • The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor value recommended in the datasheet (e.g., 330uH for the LM2578AM-5.0). You can also use online inductor selection tools or consult with a TI engineer for specific guidance.
  • The minimum input capacitance required for stable operation is 10uF, but it's recommended to use a higher value (e.g., 22uF) to ensure stable operation and reduce input voltage ripple.
  • No, the LM2578AM is a switching regulator and not designed for LDO operation. It requires a minimum input-to-output voltage differential (VIN - VOUT) of around 2.5V to maintain regulation.

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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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Part Image LM2578AM Rochester Electronics LLC

0.75A SWITCHING REGULATOR, 100kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8

Part Image LM2578AM/NOPB National Semiconductor Corporation

Switching Regulator, Voltage-mode, 0.75A, 100kHz Switching Freq-Max, BIPolar, PDSO8

Part Image LM2578AM National Semiconductor Corporation

Switching Regulator, Voltage-mode, 0.75A, 100kHz Switching Freq-Max, BIPolar, PDSO8

Part Image LM2578AMX National Semiconductor Corporation

Switching Regulator, Voltage-mode, 0.75A, 100kHz Switching Freq-Max, BIPolar, PDSO8

Part Image LM2578AMX Texas Instruments

Switching Regulator, Voltage-mode, 0.75A, 100kHz Switching Freq-Max, BIPolar, PDSO8

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