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LT1943EFE#TRPBF - Analog Devices

Description: High Current Quad Output Regulator for TFT LCD Panels

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LT1943EFE#TRPBF - Analog Devices - PCB symbol
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LT1943EFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_2025
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LT1943EFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_2025
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LT1943EFE#TRPBF Details

  • Manufacturer Part Number:

    LT1943EFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.4 MM, PLASTIC, TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    22 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    4.3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1460 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LT1943EFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1943EFE involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, the device's output should be decoupled from the input with a resistor and capacitor in series.
  • The LT1943EFE can operate in ambient temperatures ranging from -40°C to 125°C. However, the device's performance and reliability may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 85°C for optimal performance.
  • Yes, the LT1943EFE is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is manufactured using a high-reliability process. However, it's recommended to consult with Analog Devices' application engineers to ensure that the device meets the specific requirements of your application.
  • To troubleshoot issues with the LT1943EFE, start by checking the input and output voltages, as well as the device's operating frequency. Use an oscilloscope to check for oscillations or noise on the output. Also, ensure that the device is properly decoupled and that the input and output capacitors are of high quality. Consult the datasheet and application notes for more troubleshooting tips.

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LT1943EFE#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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