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LT3742EUF#PBF - Analog Devices

Description: LT3742EUF#PBF, PWM Soft Switching Controller, Dual Switching Regulator, 1120 kHz, 24-Pin QFN EP

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LT3742EUF#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3742EUF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF (24-Lead QFN)
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LT3742EUF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UF (24-Lead QFN)
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LT3742EUF#PBF Details

  • Manufacturer Part Number:

    LT3742EUF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGD, QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1697

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 30V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    30 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.75 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    560 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT3742EUF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3742EUF#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input voltage is within the recommended range, and the output voltage is set correctly. Also, consider adding a small capacitor (e.g., 10nF) between the VFB pin and GND to improve stability.
  • The maximum ambient temperature range for the LT3742EUF#PBF is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 85°C for optimal performance.
  • Yes, the LT3742EUF#PBF is suitable for high-reliability applications. It's manufactured using a high-reliability process, and it's qualified to automotive and industrial standards. However, it's recommended to follow the recommended design guidelines and testing procedures to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues with the LT3742EUF#PBF, start by checking the input voltage, output voltage, and current. Verify that the component values and PCB layout meet the recommended guidelines. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for troubleshooting guides and contact Analog Devices' technical support if needed.

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LT3742EUF#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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