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LT1943EFE#PBF - Analog Devices

Description: IC REG CONV TFT LCD 4OUT 28TSSOP

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LT1943EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP_28--
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LT1943EFE#PBF Details

  • Manufacturer Part Number:

    LT1943EFE#PBF

  • 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

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

    30

  • Width:

    4.4 mm

LT1943EFE#PBF 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 should be operated within its recommended operating conditions, and the input voltage should be well-regulated.
  • The LT1943EFE can operate in ambient temperatures up to 125°C, but the junction temperature should not exceed 150°C. It's essential to ensure proper thermal management, such as using a heat sink or a thermally conductive PCB, to prevent overheating.
  • 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 essential to follow the recommended design and testing guidelines to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues, start by verifying that the device is properly powered and that the input and output voltages are within the recommended range. Check for any signs of overheating, and ensure that the PCB layout and component values meet the recommended guidelines. Use an oscilloscope to check for any oscillations or noise on the input and output lines. If the issue persists, consult the datasheet and application notes or contact Analog Devices' technical support for further assistance.

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LT1943EFE#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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