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LT1931AIS5#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT1931AIS5#PBF - DC-DC Switching Inverting Regulator, Adjustable, 2.6V-16V in, 1A out, 2.2MHz, TSOT-23-5

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LT1931AIS5#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT1931AIS5#PBF - Analog Devices PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - 5 Lead Plastic TSOT-23
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3D Models
LT1931AIS5#PBF - Analog Devices - 3D model - SOT23 (5-Pin) - 5 Lead Plastic TSOT-23
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LT1931AIS5#PBF Details

  • Manufacturer Part Number:

    LT1931AIS5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TSOT23-5

  • Pin Count:

    5

  • Manufacturer Package Code:

    05-08-1635

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    2.6 V

  • Input Voltage-Nom:

    3 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.3 A

  • Output Voltage-Nom:

    -5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    TSOP5,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    INVERTER

  • Switching Frequency-Max:

    2900 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.75 mm

LT1931AIS5#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1931AIS5#PBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended compensation network in the datasheet, and use a minimum output capacitance of 10uF with an ESR of 0.1 ohms or less. Additionally, ensure that the input voltage is within the recommended range and that the device is operated within its specified temperature range.
  • The LT1931AIS5#PBF can operate in an ambient temperature range of -40°C to 125°C. However, the device's performance and reliability may degrade at higher temperatures, so it's recommended to operate it at a temperature below 85°C for optimal performance.
  • Yes, the LT1931AIS5#PBF is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade devices and is manufactured using a high-reliability process. However, it's recommended to consult with Analog Devices Inc for specific requirements and testing protocols.
  • To troubleshoot issues with the LT1931AIS5#PBF, start by checking the input voltage, output voltage, and current draw. Verify that the device is operated within its specified temperature range and that the PCB layout is correct. Use an oscilloscope to check for oscillations or noise on the output voltage. If the issue persists, consult the datasheet and application notes, or contact Analog Devices Inc for further support.

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LT1931AIS5#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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