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LTC3890MPGN-3#PBF - Analog Devices

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

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LTC3890MPGN-3#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3890MPGN-3#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch) (Reference LTC DWG # 05-08-1641)
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3D Models
LTC3890MPGN-3#PBF - Analog Devices - 3D model - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch) (Reference LTC DWG # 05-08-1641)
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LTC3890MPGN-3#PBF Details

  • Manufacturer Part Number:

    LTC3890MPGN-3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, LEAD FREE, PLASTIC, SSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1641 (GN28)

  • 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 VOLT TO 24 VOLT

  • 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:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.893 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.899 mm

LTC3890MPGN-3#PBF Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the LTC3890 is -40°C to 125°C, but it can be extended to -55°C to 150°C with some limitations. It's essential to consult the datasheet and application notes for specific temperature-related considerations.
  • To ensure stability, it's crucial to follow the recommended layout and component selection guidelines in the datasheet. Additionally, make sure to use a sufficient output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 10uF. Also, avoid using ceramic capacitors with high ESL (Equivalent Series Inductance) as they can cause oscillations.
  • The recommended input capacitor value for the LTC3890 is 10uF to 100uF, with a voltage rating of at least 2x the maximum input voltage. A larger input capacitor can help reduce input voltage ripple and improve overall system stability.
  • Yes, the LTC3890 is designed to handle high currents up to 15A. However, it's essential to ensure proper thermal management, such as using a heat sink and following the recommended layout guidelines, to prevent overheating and maintain reliability.
  • The LTC3890's switching frequency can be programmed using the RT pin. By connecting a resistor (RT) from the RT pin to GND, you can set the switching frequency between 250kHz and 2MHz. Consult the datasheet for the specific resistor values and frequency calculations.

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LTC3890MPGN-3#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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