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LTC3769HFE#TRPBF - Analog Devices

Description: 60V Low IQ Synchronous Boost Controller with PassThru

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LTC3769HFE#TRPBF Details

  • Manufacturer Part Number:

    LTC3769HFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CA)

  • 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:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • 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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LTC3769HFE#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 60V, but it's recommended to keep it below 50V for reliable operation.
  • To minimize EMI, it's recommended to keep the high-frequency components (such as the switching node and the input capacitors) close to the IC, and use a solid ground plane to reduce radiation. Additionally, use shielded cables and connectors for the input and output lines.
  • For good thermal performance, it's recommended to use a 4-layer PCB with a solid ground plane on the bottom layer, and to place the IC on a thermal pad connected to the ground plane. Additionally, use thermal vias to connect the thermal pad to the ground plane.
  • To select the right inductor, consider the maximum current rating, inductance value, and core material. The inductor should be able to handle the maximum output current, and the inductance value should be chosen based on the switching frequency and output voltage. A ferrite or iron powder core is recommended for this IC.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be able to handle the maximum input voltage and have a low equivalent series resistance (ESR) to minimize power loss.

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LTC3769HFE#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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