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LT1681ISW#PBF - Analog Devices

Description: Regulator Output DC-DC Controller IC 20-SO

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LT1681ISW#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - SW Package 20-Lead Plastic Small Outline (Wide .300 Inch)
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LT1681ISW#PBF - Analog Devices  - 3D model - Small Outline Packages - SW Package 20-Lead Plastic Small Outline (Wide .300 Inch)
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LT1681ISW#PBF Details

  • Manufacturer Part Number:

    LT1681ISW#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.300 INCH, PLASTIC, SO-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1620 (SW20)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    25 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    700 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    7.5 mm

LT1681ISW#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1681ISW involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance.
  • To ensure stability, ensure that the output capacitor is within the recommended range, the input voltage is within the specified range, and the feedback resistors are properly selected to maintain a stable gain.
  • The maximum ambient temperature range for the LT1681ISW is -40°C to 125°C, but the device can operate up to 150°C with derating.
  • Yes, the LT1681ISW is suitable for high-reliability applications, such as aerospace, defense, and medical devices, due to its high reliability and low failure rate.
  • To troubleshoot issues with the LT1681ISW, check the input voltage, output voltage, and feedback resistors for proper connection and values, and ensure that the device is operated within the recommended specifications.

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LT1681ISW#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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Part Image LT1681ISW Linear Technology

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