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LT1121ACS8#PBF - Analog Devices

Description: LDO Voltage Regulators Micropower Low Dropout Regulators with Shutdown

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LT1121ACS8#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
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LT1121ACS8#PBF - Analog Devices - 3D model - Small Outline Packages - S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
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LT1121ACS8#PBF Details

  • Manufacturer Part Number:

    LT1121ACS8#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:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    0.7 V

  • Dropout Voltage1-Nom:

    0.42 V

  • Input-Output Voltage Differential-Max:

    19.3 V

  • Input-Output Voltage Differential-Min:

    0.55 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9025 mm

  • Line Regulation-Max (%/V):

    0.017

  • Load Regulation-Max(%):

    1.07%

  • 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:

    30 V

  • Output Voltage1-Min:

    3.75 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:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.752 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LT1121ACS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1121ACS8 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 separate analog ground plane and to keep the power supply traces away from the analog signals.
  • To ensure stability, make sure to follow the recommended compensation network values and layout guidelines. Also, ensure that the output capacitor is of high quality and has a low equivalent series resistance (ESR). Additionally, avoid using long output traces and keep the output capacitor close to the device.
  • The maximum input voltage that the LT1121ACS8 can handle is 15V. Exceeding this voltage can cause damage to the device. It's recommended to use input voltage limiting resistors or a voltage regulator to ensure that the input voltage stays within the recommended range.
  • The LT1121ACS8 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's output current and voltage at high temperatures to ensure reliable operation.
  • To troubleshoot oscillations or instability issues, check the PCB layout for any signs of noise or coupling between the input and output traces. Ensure that the compensation network is properly configured and that the output capacitor is of high quality. Also, check the input voltage and current for any signs of noise or ripple.

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LT1121ACS8#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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