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LT1129MPST-3.3#PBF - Analog Devices

Description: LDO Voltage Regulators 700mA Micropower Low Dropout Regulator with Shutdown

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LT1129MPST-3.3#PBF - Analog Devices PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - 3-Lead Plastic SOT-223
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LT1129MPST-3.3#PBF - Analog Devices  - 3D model - SOT223 (3-Pin) - 3-Lead Plastic SOT-223
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LT1129MPST-3.3#PBF Details

  • Manufacturer Part Number:

    LT1129MPST-3.3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE , PLASTIC, SOT-223, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    05-08-1630

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.7 V

  • Dropout Voltage1-Nom:

    0.45 V

  • Input Voltage Absolute-Max:

    30 V

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    3.8 V

  • JESD-30 Code:

    R-PSSO-G3

  • JESD-609 Code:

    e3

  • Length:

    6.505 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.03%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -55 °C

  • Output Current1-Max:

    0.7 A

  • Output Voltage1-Max:

    3.4 V

  • Output Voltage1-Min:

    3.2 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    3%

  • Width:

    3.505 mm

LT1129MPST-3.3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1129 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
  • To ensure stability, make sure to follow the recommended compensation network values, use a minimum output capacitance of 10uF, and avoid using capacitors with high ESR values.
  • The LT1129 can handle input voltages up to 15V, but it's recommended to keep the input voltage below 12V for optimal performance and reliability.
  • The LT1129 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures to ensure reliability.
  • The output voltage ripple of the LT1129 can be calculated using the formula: ΔVout = (Iout x Rload) / (fsw x Cout), where Iout is the output current, Rload is the load resistance, fsw is the switching frequency, and Cout is the output capacitance.

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LT1129MPST-3.3#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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