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LTC3769EUF#TRPBF - Analog Devices

Description: n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide VIN Range: 4.5V to 60V (65V Abs Max); Operates Down to 2.3V After Start-Up n Output Voltage Up to 60V n ±1% 1.200V Reference Voltage n RSENSE or Inductor DCR Current Sensing n 100% Duty Cycle Capability for Synchronous MOSFET n Low Quiescent Current: 28μA n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Power Good Output Voltage Monitor n Low Shutdown Current: 4µA n

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LTC3769EUF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LTC3769EUF#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LTC3769EUF#TRPBF Details

  • Manufacturer Part Number:

    LTC3769EUF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-X, 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

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 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:

    85 °C

  • Output Voltage-Max:

    60 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

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3769EUF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3769EUF involves keeping the high-frequency switching nodes (e.g., SW, VIN, and VOUT) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance.
  • When selecting an inductor for the LTC3769EUF, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating above the peak current of the converter, and a DC resistance that is low enough to minimize power loss.
  • The maximum ambient temperature for the LTC3769EUF is 85°C, but the device can operate up to 125°C with derating. It's essential to consider the thermal design and heat dissipation of the system to ensure reliable operation.
  • Yes, the LTC3769EUF is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive-grade ICs and is designed to operate in harsh environments with high temperatures and voltage transients.
  • To troubleshoot issues with the LTC3769EUF, start by verifying the PCB layout, component selection, and soldering quality. Use an oscilloscope to measure the switching waveforms and identify any signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and optimization techniques.

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LTC3769EUF#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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