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LTC3778EF#PBF - Analog Devices

Description: Linear Technology LTC3778EF#PBF, DC-DC Controller, 20A, 36 V, Step Down, 550 kHz, 20-Pin, TSSOP

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LTC3778EF#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - F Package 20-Lead Plastic TSSOP (4.4mm)
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LTC3778EF#PBF - Analog Devices  - 3D model - Small Outline Packages - F Package 20-Lead Plastic TSSOP (4.4mm)
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LTC3778EF#PBF Details

  • Manufacturer Part Number:

    LTC3778EF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1650 (F20)

  • 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:

    CURRENT-MODE

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    15 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LTC3778EF#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 28V, but it's recommended to keep it below 24V for optimal performance and reliability.
  • To minimize EMI, it's recommended to keep the input and output capacitors close to the IC, use a solid ground plane, and keep the high-current paths short and direct. Additionally, use a shielded inductor and orient it to minimize radiation.
  • The recommended operating frequency range for the LTC3778EF#PBF is 100kHz to 500kHz. Operating outside this range may affect efficiency and stability.
  • To select the right inductor, consider the maximum current, inductance value, and core material. A good starting point is to use an inductor with an inductance value between 1uH to 10uH, and a current rating that exceeds the maximum output current.
  • The SYNC pin is used to synchronize the switching frequency of multiple LTC3778EF#PBF devices. To use it, connect the SYNC pins of multiple devices together, and ensure that the frequency of the SYNC signal is within the recommended range of 100kHz to 500kHz.

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LTC3778EF#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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