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LM3578AMX/NOPB - Texas Instruments

Description: Switching Regulator

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LM3578AMX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LM3578AMX/NOPB - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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LM3578AMX/NOPB Details

  • Manufacturer Part Number:

    LM3578AMX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-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:

    e3

  • 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

  • Output Current-Max:

    0.75 A

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • 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:

    100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LM3578AMX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM3578AMX/NOPB involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces carrying high-frequency signals. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW pin) away from sensitive analog circuits.
  • To ensure the LM3578AMX/NOPB operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure the input voltage is within the recommended range (4.5V to 28V), the output current is within the maximum rating (3A), and the junction temperature is below the maximum rating (150°C).
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. This helps to filter out high-frequency noise and ensures stable operation.
  • Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (e.g., 1uH to 10uH). The inductor should also be shielded to minimize EMI. Consult the datasheet and application notes for more information.
  • The EN (enable) pin is used to turn the converter on or off. Connect the EN pin to a logic-level signal (e.g., from a microcontroller) to enable or disable the converter. When the EN pin is low, the converter is disabled, and when it's high, the converter is enabled.

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LM3578AMX/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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