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LTC3769IUF#PBF - 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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LTC3769IUF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LTC3769IUF#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LTC3769IUF#PBF Details

  • Manufacturer Part Number:

    LTC3769IUF#PBF

  • 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:

    9

  • 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:

    125 °C

  • Operating Temperature-Min:

    -40 °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:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3769IUF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3769IUF involves keeping the high-current paths short and wide, using multiple vias to connect the input and output capacitors to the IC, and separating the analog and power grounds.
  • To optimize the compensation network, start with the recommended values in the datasheet and then adjust the resistors and capacitors based on the specific application's requirements and the desired transient response.
  • The maximum ambient temperature for the LTC3769IUF is 85°C, but it can be derated for higher temperatures using the thermal derating curve provided in the datasheet.
  • Yes, the LTC3769IUF can be used in a synchronous rectification topology, but it requires additional external components and careful design to ensure proper operation.
  • To troubleshoot oscillations or instability issues, check the PCB layout, ensure proper decoupling, and verify that the compensation network is correctly designed and implemented.

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LTC3769IUF#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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