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LT4295HUFD#PBF - Analog Devices

Description: Power Switch ICs - POE / LAN PoE++ PD Forward/Flyback Controller

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PCB Footprints
LT4295HUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package QFN
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LT4295HUFD#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UFD Package QFN
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LT4295HUFD#PBF Details

  • Manufacturer Part Number:

    LT4295HUFD#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:

    Malaysia

  • 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:

    60 V

  • Input Voltage-Nom:

    40 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

  • 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

  • Switching Frequency-Max:

    320 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT4295HUFD#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces short and away from each other to minimize noise and coupling.
  • Use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) as close as possible to the VIN pin. Add additional decoupling capacitors (e.g., 100nF ceramic) near the VOUT pin. Ensure the power supply is stable and has low ripple.
  • The maximum output current of the LT4295HUFD is 2A. However, the device can deliver higher currents for short durations. Consult the datasheet for thermal derating and output current vs. temperature graphs.
  • The output voltage can be adjusted by changing the resistor ratio of the feedback network (R1 and R2). Use the formula: VOUT = 0.8V x (1 + R2/R1) to calculate the desired output voltage.
  • The EN (enable) pin is an active-high input that allows the user to turn the regulator on or off. When EN is high, the regulator is enabled, and when EN is low, the regulator is disabled and consumes minimal power.

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LT4295HUFD#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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