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LTC3119EUFD#TRPBF - Analog Devices

Description: Conv DC-DC 2.5V to 18V Step Down/Step Up Single-Out 0.8V to 18V 5A 28-Pin QFN EP T/R

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LTC3119EUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LTC3119EUFD#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LTC3119EUFD#TRPBF Details

  • Manufacturer Part Number:

    LTC3119EUFD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ADJUSTABLE OUPUT MODE FROM 0.8 TO 18 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    18 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • 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:

    2000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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:

    4 mm

LTC3119EUFD#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • To optimize the inductor selection, 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 of at least 2x the peak current, and a DC resistance of less than 100mΩ.
  • To minimize EMI and noise, keep the power stage components (L, C, and switches) close together, use a solid ground plane, and keep the feedback trace away from the power stage. Also, use a shielded inductor and orient it to minimize radiation.
  • The output voltage can be adjusted by changing the resistor divider ratio (R1 and R2) connected to the FB pin. Use the formula: VOUT = 0.8V x (1 + R2/R1) to calculate the desired output voltage.
  • The maximum ambient temperature range for the LTC3119EUFD is -40°C to 125°C, but the device's performance and reliability may degrade above 85°C.

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LTC3119EUFD#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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