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LT1129IT#PBF - Analog Devices

Description: Linear Voltage Regulator IC Positive Adjustable 1 Output 700mA TO-220-5 , 30V , 0.7V @ 700mA , -40°C ~ 125°C

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LT1129IT#PBF - Analog Devices - PCB symbol
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LT1129IT#PBF - Analog Devices PCB footprint - Other - Other - T Package 5-Lead Plastic TO-220 (Standard)_2026-1.15
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LT1129IT#PBF - Analog Devices - 3D model - Other - T Package 5-Lead Plastic TO-220 (Standard)_2026-1.15
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LT1129IT#PBF Details

  • Manufacturer Part Number:

    LT1129IT#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, TO-220, 5 PIN

  • Pin Count:

    5

  • Manufacturer Package Code:

    05-08-1421 (STD)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    0.7 V

  • Dropout Voltage1-Nom:

    0.45 V

  • JESD-30 Code:

    R-PSFM-T5

  • JESD-609 Code:

    e3

  • Length:

    10.22 mm

  • Line Regulation-Max (%/V):

    0.24

  • Load Regulation-Max(%):

    0.78%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.7 A

  • Output Voltage1-Max:

    30 V

  • Output Voltage1-Min:

    3.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    21.539 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

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

    30

  • Width:

    4.38 mm

LT1129IT#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1129IT#PBF involves keeping the input and output traces separate, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter and to keep the feedback resistors close to the device.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is sufficient to filter out high-frequency noise, and that the feedback resistors are properly matched. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the output and ground to dampen the oscillation.
  • The LT1129IT#PBF can handle input voltages up to 15V, but it's recommended to keep the input voltage below 12V for optimal performance and to prevent overheating.
  • The LT1129IT#PBF 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 reliable operation.
  • The output voltage ripple of the LT1129IT#PBF can be calculated using the formula: ΔVout = (Iout * Rload) / (fsw * 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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LT1129IT#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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