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LTC7813IUH#PBF - Analog Devices

Description: Low IQ, 60V Synchronous Boost+Buck Controller

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PCB Footprints
LTC7813IUH#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UH Package 32-Lead Plastic QFN (5mm × 5mm)
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3D Models
LTC7813IUH#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UH Package 32-Lead Plastic QFN (5mm × 5mm)
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LTC7813IUH#PBF Details

  • Manufacturer Part Number:

    LTC7813IUH#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD-X, QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1693

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 0.8 V TO 60 V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-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-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 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

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LTC7813IUH#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC7813IUH is 40V, but it's recommended to keep it below 36V for reliable operation.
  • To select the right inductor, 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 less than 10% of the output impedance.
  • The minimum ESR required for the output capacitor is not explicitly stated in the datasheet, but a good rule of thumb is to choose a capacitor with an ESR of less than 10mΩ to ensure stability and low output voltage ripple.
  • Yes, you can use a ceramic capacitor for the output capacitor, but be aware that ceramic capacitors have a higher ESL (Equivalent Series Inductance) than electrolytic capacitors, which can affect the converter's stability and output voltage ripple.
  • To minimize noise and EMI, follow good PCB layout practices such as separating the input and output stages, using a solid ground plane, and keeping the switching node (SW pin) away from sensitive analog nodes. Also, consider using a shielded inductor and a common-mode choke to reduce EMI.

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LTC7813IUH#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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