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LT1121CS8-5#PBF - Analog Devices

Description: LT1121CS8-5#PBF, Low Dropout Voltage Regulator, 0.15A, 5 V, -30 → 30 Vin, 8-Pin, SOIC

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LT1121CS8-5#PBF - Analog Devices - PCB symbol
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LT1121CS8-5#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8(SOIC)
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LT1121CS8-5#PBF - Analog Devices - 3D model - Small Outline Packages - S8(SOIC)
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LT1121CS8-5#PBF Details

  • Manufacturer Part Number:

    LT1121CS8-5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1610 (S8)

  • 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:

    0.42 V

  • Input Voltage Absolute-Max:

    30 V

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.93 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.04%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    0.15 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:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    3%

  • Width:

    3.9 mm

LT1121CS8-5#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1121CS8-5 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 sufficient output capacitor, and ensure that the input and output impedance are matched. Additionally, the device's output should be decoupled from the input using a resistor and capacitor in series.
  • The maximum ambient temperature range for the LT1121CS8-5 is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, and it's recommended to derate the output current and voltage accordingly.
  • Yes, the LT1121CS8-5 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 for space applications.
  • To troubleshoot issues with the LT1121CS8-5, start by verifying the PCB layout and component values, ensuring that they match the recommended values. Then, use an oscilloscope to measure the input and output waveforms, checking for signs of oscillation or ringing. Finally, verify that the input voltage and current are within the recommended specifications.

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LT1121CS8-5#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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