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LTC3890HUH#TRPBF - Analog Devices

Description: 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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LTC3890HUH#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3890HUH#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UH Package 32-Lead Plastic QFN (5mm × 5mm) (Reference LTC DWG # 05-08-1693 Rev D)
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3D Models
LTC3890HUH#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UH Package 32-Lead Plastic QFN (5mm × 5mm) (Reference LTC DWG # 05-08-1693 Rev D)
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LTC3890HUH#TRPBF Details

  • Manufacturer Part Number:

    LTC3890HUH#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MO-220WHHD, 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

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 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:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    585 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    5 mm

LTC3890HUH#TRPBF Frequently Asked Questions (FAQs)

  • The maximum junction temperature of the LTC3890HUH is 125°C. This is not explicitly stated in the datasheet, but it can be found in the 'Absolute Maximum Ratings' section of the datasheet.
  • The output voltage ripple of the LTC3890HUH can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency. This formula is not provided in the datasheet, but it can be derived from the circuit analysis.
  • The recommended PCB layout for the LTC3890HUH is not explicitly stated in the datasheet, but it is crucial for optimal performance. A good layout should minimize the loop area of the power stage, keep the high-frequency nodes away from sensitive nodes, and use a solid ground plane. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • The LTC3890HUH requires compensation for stability, but the datasheet does not provide a clear procedure. A good starting point is to use the recommended compensation components values provided in the datasheet, and then adjust them based on the specific application requirements. A type-III compensation network is recommended for most applications.
  • The maximum input voltage of the LTC3890HUH is 60V, but this is not explicitly stated in the datasheet. This information can be found in the 'Absolute Maximum Ratings' section of the datasheet.

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LTC3890HUH#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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