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LTC3126EUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3126EUFD#PBF - DC/DC CONV, SYNC BUCK, 2.2MHZ, QFN-28

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LTC3126EUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 28-Lead (4mm × 5mm) Plastic QFN
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LTC3126EUFD#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 28-Lead (4mm × 5mm) Plastic QFN
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LTC3126EUFD#PBF Details

  • Manufacturer Part Number:

    LTC3126EUFD#PBF

  • 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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    2.4 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Output Voltage-Max:

    42 V

  • Output Voltage-Min:

    0.818 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    4.22 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3126EUFD#PBF 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 to prevent damage to the internal components.
  • To optimize the inductor selection, consider the following factors: inductance value, DC resistance, and saturation current. A good starting point is to choose an inductor with an inductance value between 1.5uH to 3.3uH, a DC resistance less than 100mΩ, and a saturation current greater than the peak current of the converter.
  • To minimize EMI and noise, follow these PCB layout guidelines: keep the input and output capacitors close to the VIN and VOUT pins, respectively; keep the inductor and capacitors away from sensitive analog signals; use a solid ground plane; and use a shielded inductor or a common-mode choke to reduce radiated emissions.
  • The output voltage of the LTC3126EUFD can be adjusted by changing the resistor divider network connected to the FB pin. The output voltage is determined by the ratio of the resistors, so adjusting the values of R1 and R2 can change the output voltage.
  • The maximum output current that the LTC3126EUFD can deliver is 2A, but it's recommended to keep the output current below 1.5A for optimal performance and to prevent overheating.

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LTC3126EUFD#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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