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LT1121AIS8#PBF - Analog Devices

Description: Linear Technology LT1121AIS8#PBF, LDO Voltage Regulator, Adjustable 150mA, 3.64 → 3.86 V, 8-Pin

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LT1121AIS8#PBF - Analog Devices - PCB symbol
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LT1121AIS8#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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LT1121AIS8#PBF - Analog Devices - 3D model - Small Outline Packages - S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
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LT1121AIS8#PBF Details

  • Manufacturer Part Number:

    LT1121AIS8#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

  • Operating Temperature TJ-Min:

    -40 °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

LT1121AIS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1121AIS8 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 in the LT1121AIS8, it's essential to follow the recommended compensation network, which includes a capacitor and a resistor in series between the output and the inverting input. Additionally, using a low-ESR output capacitor and minimizing the distance between the output capacitor and the device can help improve stability.
  • The LT1121AIS8 can drive a maximum capacitive load of 10nF. Exceeding this limit can cause oscillations and instability. If a larger capacitive load is required, an isolation resistor can be added in series with the capacitor to reduce the capacitive loading.
  • To protect the LT1121AIS8 from overvoltage and overcurrent conditions, it's recommended to use a voltage clamp or a zener diode to limit the input voltage to the maximum rated value. Additionally, a current-limiting resistor can be added in series with the input to prevent excessive current draw.
  • The thermal derating curve for the LT1121AIS8 indicates the maximum power dissipation of the device as a function of temperature. As the temperature increases, the maximum power dissipation decreases. It's essential to ensure that the device operates within the recommended temperature range to maintain its performance and reliability.

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LT1121AIS8#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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