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LM1770SMF/NOPB - Texas Instruments

Description: DC DC Cntrlr Single-OUT Sync Buck 2.8V to 5.5V Input 5-Pin SOT-23 T/R

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PCB Footprints
LM1770SMF/NOPB - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005*13
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LM1770SMF/NOPB - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV0005*13
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LM1770SMF/NOPB Details

  • Manufacturer Part Number:

    LM1770SMF/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    4.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    2000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

LM1770SMF/NOPB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM1770SMF/NOPB is 1.4W, but it can be increased to 2.5W with proper heat sinking.
  • Yes, the LM1770SMF/NOPB can be used as a voltage regulator, but it's not recommended as it's primarily designed as an op-amp. If you need a voltage regulator, consider using a dedicated voltage regulator IC like the LM317 or LM337.
  • The input impedance of the LM1770SMF/NOPB is typically around 2MΩ, but it can vary depending on the specific application and operating conditions.
  • The LM1770SMF/NOPB is not suitable for high-frequency applications above 100kHz due to its limited bandwidth and slew rate. For high-frequency applications, consider using a faster op-amp like the OPA2134 or OPA2144.
  • Yes, the LM1770SMF/NOPB is suitable for audio applications, but it may not provide the best performance in terms of noise and distortion. For high-quality audio applications, consider using a dedicated audio op-amp like the OPA2134 or OPA2144.

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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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