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LM3670MF-3.3 - Texas Instruments

Description: Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 350mA SC-74A, SOT-753

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LM3670MF-3.3 - Texas Instruments - PCB symbol
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PCB Footprints
LM3670MF-3.3 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV
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3D Models
LM3670MF-3.3 - Texas Instruments - 3D model - SOT23 (5-Pin) - DBV
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LM3670MF-3.3 Details

  • Manufacturer Part Number:

    LM3670MF-3.3

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 5 PIN

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    AUTOMATIC PFM/PWM MODE SWITCHING

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e0

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.75 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.22 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1300 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.953 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

LM3670MF-3.3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM3670MF-3.3 is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
  • The LM3670MF-3.3 is rated for operation up to 125°C, but it's recommended to keep the junction temperature below 115°C for optimal performance and reliability. You may need to add thermal management or derate the output current in high-temperature environments.
  • To ensure stability, make sure to follow the recommended PCB layout and component placement guidelines, use a sufficient output capacitor (at least 10uF), and add a small ceramic capacitor (around 100nF) between the VIN and GND pins to filter out noise.
  • Yes, the LM3670MF-3.3 is a low-dropout regulator (LDO) that can provide a regulated 3.3V output from an input voltage as low as 3.5V, making it suitable for powering microcontrollers and other low-voltage devices.
  • The power dissipation of the LM3670MF-3.3 can be calculated using the formula: Pd = (VIN - VOUT) x IOUT. Make sure to consider the maximum input voltage, output current, and thermal resistance to ensure the device operates within its thermal limits.

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LM3670MF-3.3 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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