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LTC3859EFE#PBF - Analog Devices

Description: Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller

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LTC3859EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm)
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LTC3859EFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm)
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LTC3859EFE#PBF Details

  • Manufacturer Part Number:

    LTC3859EFE#PBF

  • 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-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1772

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 24V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5.4 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LTC3859EFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3859EFE involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the power and ground planes separate.
  • The choice of input and output capacitors for the LTC3859EFE depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be at least 10uF, and the output capacitor should be at least 22uF. The capacitor values can be adjusted based on the output voltage and current requirements.
  • The maximum ambient temperature range for the LTC3859EFE is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's recommended to consult the datasheet for more information on temperature derating and thermal management.
  • The LTC3859EFE output voltage can be programmed using the FB pin and an external resistor divider network. The resistor values can be calculated using the formula provided in the datasheet. The output voltage range is from 0.8V to 5.5V, and the device can be programmed for a specific output voltage using the resistor divider network.
  • The maximum output current capability of the LTC3859EFE is 9A. However, the device can deliver higher currents with proper thermal management and heat sinking. It's recommended to consult the datasheet for more information on thermal management and output current derating.

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LTC3859EFE#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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