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LT1129IQ-5#PBF - Analog Devices

Description: ANALOG DEVICES - LT1129IQ-5#PBF - LDO Voltage Regulator, Fixed, 4.15 V to 30 V in, 0.45 V / 0.7 A out, TO-263-5

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LT1129IQ-5#PBF - Analog Devices PCB footprint - Other - Other - Q Package 5-Lead Plastic DD Pak  (LTC DWG # 05-08-1461)-2026-3.1
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LT1129IQ-5#PBF Details

  • Manufacturer Part Number:

    LT1129IQ-5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, D2PAK-5

  • Pin Count:

    5

  • Manufacturer Package Code:

    05-08-1461

  • Country Of Origin:

    Malaysia

  • 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:

    5.5 V

  • JESD-30 Code:

    R-PSSO-G5

  • JESD-609 Code:

    e3

  • Length:

    10.2235 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:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.7 A

  • Output Voltage1-Max:

    5.15 V

  • Output Voltage1-Min:

    4.85 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP5H,.6,67TB

  • 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:

    4.877 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.702 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    3%

  • Width:

    8.89 mm

LT1129IQ-5#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1129IQ-5 involves keeping the input and output traces short and wide, 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 capacitor to minimize ringing.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended PCB layout, use a low-ESR output capacitor, and add a small ceramic capacitor (e.g., 10nF) between the output and ground pins. Additionally, make sure the input voltage is within the recommended range, and the output current is within the specified limits.
  • The maximum ambient temperature range for the LT1129IQ-5 is -40°C to 125°C. However, the device's performance and reliability may degrade if operated at the extreme ends of this range. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • Yes, the LT1129IQ-5 is suitable for high-reliability and aerospace applications. It's manufactured using a high-reliability process, and Analog Devices provides a radiation-hardened version of the device (LT1129RH) for space and high-reliability applications.
  • The output voltage ripple of the LT1129IQ-5 can be calculated using the following formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ΔVout is the output voltage ripple, Iout is the output current, ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.

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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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