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LT1931ES5#TRPBF - Analog Devices

Description: Switching Voltage Regulators 1.2MHz Inverting DC/DC Converter in 5-lead SOT-23

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LT1931ES5#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT1931ES5#TRPBF - Analog Devices PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - 5-Lead Plastic TSOT-23
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LT1931ES5#TRPBF - Analog Devices - 3D model - SOT23 (5-Pin) - 5-Lead Plastic TSOT-23
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LT1931ES5#TRPBF Details

  • Manufacturer Part Number:

    LT1931ES5#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSOT23-5

  • Pin Count:

    5

  • Manufacturer Package Code:

    05-08-1635

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • 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:

    70 °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:

    1600 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    COMMERCIAL

  • 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

LT1931ES5#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1931ES5#TRPBF involves keeping the input and output traces separate, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a low-ESR capacitor for the output filter and to keep the feedback trace short and direct.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is properly sized and that the feedback resistor is within the recommended range. If oscillations occur, try adding a small capacitor (e.g., 10nF) in parallel with the feedback resistor.
  • The maximum input voltage for the LT1931ES5#TRPBF is 15V. Exceeding this voltage can cause damage to the IC. If a higher input voltage is required, consider using a voltage regulator or a voltage divider to reduce the input voltage to within the recommended range.
  • The LT1931ES5#TRPBF is rated for operation up to 125°C. However, the IC's performance and reliability may degrade at high temperatures. If operation above 85°C is required, consider using a heat sink or a thermally-enhanced package. Always check the IC's thermal specifications and follow proper thermal management practices.
  • To troubleshoot issues with the LT1931ES5#TRPBF, start by checking the input voltage, output voltage, and feedback voltage using an oscilloscope. Verify that the component values and PCB layout match the recommended design. Check for signs of overheating, and ensure that the IC is properly soldered and seated. If issues persist, consult the datasheet and application notes for guidance.

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LT1931ES5#TRPBF 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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